Generally everyone likes to go for a long ride in a car or just to drive in good roads. But the problem comes when it starts to rain. The problem of driving becomes complicated when you don't have to on the ac or the heater in your car. The reason behind this is that the wind shield glass becomes foggy when you close all the windows inside. Due to lack in the ventilation and humidity inside the car, the front glass becomes misty. This may lead to serious problems and it can even lead to accidents. Is there a way to stop this thing or to remove the mist that forms inside the car?? let's find out!!!

THE IDEA:

The main reason is due to temperature difference, the outside temperature is colder than the inside temperature and the humidity is way more outside. So when you close all the window you block the free air flowing inside and outside. So the water in the air now starts to condense along the areas where there is a contact with the external environment. So the visibility is affected as water also condenses on the window panes. In order to avoid this, we can force the dry air vertically upwards in the front glass,  now generally made of fiber glass. The same thing is done when you switch on the ac. Since the air of the ac is dry, it absorbs the moisture present in the windshield. The same thing can be done without cooling the air. This just absorbs the small water droplets or may be mist that forms inside the car.

The drawbacks may be that this may take few minutes to absorb the water droplets and the mist that had formed along the window. This also may not work if condensation is faster than the absorption, but practically inside the car it is almost impossible in this case. The dry air may also affect the passenger inside, as the skin loses it moisture and begins to crack. This may rupture the skin in extreme cases if the level of dryness is very high.

~SKC

A thief wants to be invisible from the police, you want to be invisible from your mother when you break something at home and many have their own reasons to be invisible.  And whatever may be the reason the aim is same i.e. to be invisible. We must have seen this type invisibility of things happening in the magic shows and in the movies. But my question is, is this really possible??

Let we prove a way out to crack this reel  into reality. Before we analyse anything we must know its properties very well. Let's just have a glance over it.

The properties of the light:

We know that light can bend if the aperture of the hole is small enough and is comparable with the wavelength of the light. The main point you need to know is, you can see an object only if it reflects light.  The same object is seen dark if it absorbs the light. We can see the objects when the light falling on them enters our eyes. From a distance you can't see a transparent material as it allows the light to pass through it. And the light reflected back is so small that it gets diffused along its return part and some light energy is always absorbed by it. We can't ignore this fact.

The fact of invisibility:

Considering the above said facts, we can make the body invisible by two methods. Note that actually the object or the person doesn't get invisible. We just make others not to see them.

The method is make the light to pass through you so that you do not reflect back the light. Else you bend the light around you. This is possible when the object has minutes holes throughout such that it bends the light around you. This can be achieved through total internal reflection which states that if the light enters equal to or more than the critical angle it does not go out. It is reflected internally if the light passes from lighter to denser refractive index. The diamond is carved in such a way that light is internally reflected. And in this situation we must ensure that the light comes out from the other side. This will make an observer to perceive that there is no object in-between.

"Invisible" walls can be created using this technique. Even cloaks can be made if the material is capable of redirecting the light to such a extent. Sooner or later this definitely is going to be a reality.
~SKC

Almost everyone like to gaze at the sky at count those stars at night when it becomes dark. We long to create an artificial environment in our bedrooms, as that of the same sky that we see during the clear sky with stars twinkling around. The idea has now become a reality with the help of those radium paints. It finds its application also in the watch dials and clocks.

What makes it glow?

Occasionally you will see something glowing but it does not need charging. The most common place is on the hands of expensive watches. In these products, the phosphor is mixed with a radioactive element, and the radioactive emissions energize the phosphor continuously. In the past, the radioactive element was radium, which has a half-life of 1600 years. Today, most glowing watches use a radioactive isotope of hydrogen called tritium (which has a half-life of 12 years) or promethium, a man-made radioactive element with a half-life of around three years.

Before, the luminescence was short and it has to be energised again to make it glow. But today we have substances like Strontium Aluminate which has much longer persistence.

A whole new idea :

These substances can be painted along the road and in the middle of the road. So these "glow" paints will eventually glow at night without the need of electricity and other power sources. Sometimes it becomes difficult to have a light post in mountain regions. This may result in wrong judging of roads. If we paint the roads with these paints then it automatically illuminates at night and also when there is fog due to its nature the substance starts to glow. Since the colour of the light emitted is usually green or red it is visible even in thick fogs. Thus it is easy for a driver to navigate through the turns and bends in the mountain areas when there is thick fog. Even in the NH roads it eliminates the need of a light. These glow paints as a whole save lot of energy wasted in illuminating the roads with so much light that we don't really need.

You can use "glow" paints in the footpaths and pavements where you don't need so much light.

A drawback is that the intensity of the light emitted is not so high and the persistent of light is also only for few hours at the maximum extent. During cloudy and rainy days it won't be able be energise to optimum and desired level.

Whatever be the fact, the new "glow" paint will eventually create a turning point in the history of energy conservation.
~SKC

World of today is so much obsessed about those fairness creams  that even boys are moving to those creams and other cosmetic products.

We are in a position that we can’t live without them. From latest to oldest, actress to mistress, none escape from using these products.

But have we ever thought for a while the aftereffects of these creams?  We apply a lot but think little short.  Let’s look at some of these advantages.

Advantages:

They contain artificial skin enhancing nutrients such as Vitamin A, D, E and K. Sometimes they help in treating skin problems too.

Their advantages are many to list but anything has their own darker sides. Let’s look at them too.

Disadvantages:

•   The sweat that comes out is certainly blocked by these creams.  These creams cover the outer most layer of the skin thus blocking the pores present in the skin. Sweating is our body’s way of cooling itself. So without knowing we are causing discomfort to our body, later leading to skin related diseases.
•    The skin sometimes gets allergic to these cosmetic items, this in turn leads to skin infections.
•   Skin tans when we expose ourselves to the hot sun. This helps the skin in general to prevent skin burns. Applying these fairness creams tend to prevent tanning of the skin thus exposing ourselves more to sun burns. But who cares the latter part, we only look at those short term advantages.
•  Weakening of the skin cells. We often see those actresses’s face with loose skin and wrinkles who are old now. Their skin seems very odd and different from others. Due to constant usage of these creams for those movies they acted, now their real face seems different from reel ones.
•  Creams are put to hide pimples. They simply hide them. As soon as you stop using them they return. So we have to use them regularly so as to prevent them.

Old still remains the gold:

 These modern cosmetics tend to spoil our skin very easily. But our age old cosmetic items used by our ancestors, Turmeric to aloe vera, was the best thing. Even though it is gaining popularity nowadays, it still comes in a processed form.  Aloe vera and turmeric can easily be grown in small pots. Turmeric cures most of the skin related problems while aloe vera gives you, your much obsessed beauty.

New looks cool but a tool to spoil your natural beauty in long run. Change to natural ones now or else your natural beauty by applying those creams will always remain a mere dream!!!!

Written By,

R.SNEHA

A Student from KENDRIYA VIDYALAYA, SULUR

Horrible are those nights for a driver who has to drive all the night with the sleep sneaking inside his eyes. Whenever he dozes and closes his eyes, he wakes up with a jerk and grips the steering wheel and again dozes off for a second. What if he dozes off for more than a second. Can't even think of any such thing happening around!!! Aren't u??

We can't stop driving at night, and the only alternative left is stopping the driver from dozing. How can we do this?? Is there a way out?? Let's find out!!!

LED SHOWS THE LIGHT:

Yes, you heard it right. Exposure to LED light tends to evade your sleep. It stops the production of a hormone called melatonin which causes sleeping. This is why when you watch a movie in your laptop at night you do not feel sleepy even after you finish it. As the screen of the laptop is lit by the LED light it affects your body. The same thing applies to LED TV's too.

THE WAY OUT :

We can install these small LED lights on the dashboard or in the HUD so that the driver has a constant contact with the LED light. We can also install them inside the whole cabinet of the car but this may slightly hamper the driving. Otherwise we can install these LED lights along the roads where the roads are almost straight to a stretch of a kilometer or two as no one sleeps during the traffic jams or at curvy roads.

DRAWBACKS :

There may a few drawbacks as it can affects the health too. Long time and constant exposure over a period of time can cause sleeplessness too. It only prevents sleep from coming but the eyes do have the strain during long hours of journey.

Anyways if this is going to work out perfectly or not, I suppose doing this trick for the last minute preparation for exam will work out to be the best!!! 

 ~SKC

We are sometimes fed up with the climate which is rarely predictable. Sometimes there turns out to be a drought like situations and sometimes there are cases of cloud burst. But in each case we have many casualties. We can't ignore this rudiment fact.

We cannot predict the nature's fury but we have our own ways to overcome those. Don't we??

We have devised a method to produce artificial rain by spraying chemicals on the clouds. It loses it water holding capacity and thus the result what we call is rain. This is in simple layman's language.

Cloud seeding is done by spraying silver iodide or dry ice and sometimes liquid propane is also used. It makes the cloud cooler thus the ice nucleates to form larger drops and comes down as rain. If this is for artificial rain the reverse can be done for stopping the rain.

The method to stop the rain:

The whole process of precipitation depends on the aggregation of smaller water droplets to form bigger ones and it comes as rain. If we somehow stop the aggregation of these water droplets then there is a sure shot possibility of stopping the rain. The substance which produces instantaneous heat while combining with the moisture content can do wonders. The already cooled water droplets which is in the process of aggregation now turns into water vapour again due to the excessive local heat produced. This can make the clouds lighter and this in turn helps to avoid rain as the clouds are moved to other places due to wind.

Thus this process helps to prevent the rain in two ways:

• ·        Making the water droplets lighter
•          Making the cloud lighter thus helping to move along with the rain.

Possible drawbacks involved in this:

The small droplets of the chemical used could float in the atmosphere causing prolonged lower rainfall in that region thereafter. The chemicals could also impose a risk in the atmosphere and its content could reach above the safe emission levels.

~SKC

 We change the world with the flick of a button. We explore the space with a push of a button. Small things can't be underestimated. The potential what a small thing has, can't be imagined what huge things it can do. It maybe a small atom producing tons of unimaginable power converting itself into other atoms.

                                    

The most surprising part is that while providing this great energy the atoms convert itself into another atoms. In fusion the lighter hydrogen atoms fuses into the bigger helium atoms. The bigger uranium into fissions out to produce smaller atoms like plutonium, lead etc.

One thing that caught my attention is that ONE ELEMENT CAN CHANGE INTO ANOTHER ELEMENT.

Then why can't we produce the so called "rare" earth metals which we need it badly!!!!

If hydrogen gives helium, uranium gives plutonium then what can give us gold or diamond???

It is a new area where we can scratch our heads out!!!! What if we can get tons of gold and diamond using this known??? Wouldn't be that a mind freaking thing???

THE ULTIMATE FACT:

The whole system in this world moves towards the lower entropy and thereby moving towards greater stability. Since bigger atoms break down to smaller atoms for greater stability so as those smaller ones combine to form bigger ones.

Gold, one of the most stable element can be got using fusion reactions as the atomic number of gold is much higher. If suitable conditions are maintained during the process of fusion then we can achieve our desired results. 

The sparkling diamond can be yielded by the fission process of bigger atoms.

THE TRUTH BEHIND THIS FACT:

·         Is this really feasible than extracting the gold from the earth??

·         The fusion and fission reaction needs special care and this technology is greatly condemned worldwide for its ill effects.

·         The whole thing has to be properly catalysed to get the desired product otherwise it may lead to other reactions.

·         This process may yield may more elements which is not of our interest.

~SKC

Student @ VIT University

One must be now tired of reading pages about the topics on alternative forms of energy. The same thing repeated again and again but with slight difference. Solar,wind ,bio gas and the list is endless.

But what makes this thing different is that we use the oil produced by the micro algae present in the seas as the fuel to run the vehicles.

But what really is a algae???

Algae are usually single celled organism. At about 70% of their body is made up of proteins and oils which prevents them from degrading in the water. We must have studied how we created a soap out of alcohol using simple mechanism called esterification. This method uses just the reverse process, technically called trans esterification. In this process we add alcohol to the oil to get our desired and our most valued renewable fuel. The micro algae can be grown in groups and can be cultivated. The protein from them can be extracted using suitable means in a similar way of that of the yeast.

How the whole idea works????

The algae produces the oil in the process of photosynthesis. This oil can be collected by using suitable means. This oil is then converted into suitable form of renewable fuel by adding three molecules of alcohol to the initial product. Then the used algae can again be allowed to grow in the water. This whole process repeats again and again thus making it eco friendly and renewable form of energy.

Advantages:

• This method is one of the most economical methods and also a renewable source of fuel.
• They can be easily cultivated in any type of water body. There is no need of fresh water alone.
• Production capacity from the algae is also very high.
• Apart from producing alternate source of energy, it also absorbs the CO2 in the air and releases oxygen during photosynthesis. In this process it also acts as the CO2 trap.

Disadvantages :

• The total production depends on the water in which it is cultivated and the amount of solar energy it receives.
• It can be done in large scale only in the coastal areas where there is a availability of deep shores and sea beds.
• The area required for the cultivation is very large so that we can extract appreciable amoun tof oil from it.

An article by

K.C.Shyam

A Student @ VIT University

Whats new in the store?? Something special, its time to buy that and store it in the fridge. But nowadays there is shortage of electricity whats the use of dumping it in the fridge when the electricity is not there in the house. Storing the materials in the fridge rather increases the heat inside causing the reverse effect. Then whats the real solution?? Something we need to cool the temperature down but it shouldn't use electricity. Right??

Its not at all a problem I know that, even you too do know that. But we often don't seem to notice its applications.

Working:

The day to day earthern pot which we are using from the ages past, uses a simple mechanism of evaporation. When the water evaportes from a surface it absorbs the heat from the surroundings and evaporates. This phenomenon is used to cool usually the water kept in the earthern pots. Why can't we try the same somewhere else??

Yes, the same concept on refrigerators!!!

The whole refrigerator can be made out of earthern clay and can be compartmentalised into small section where we can keep our things. The water can be poured just below the roof of this fridge which can be channelised through the doors of the refrigerators. When the water is allowed to come to the lower chamber, drop by drop, the heat inside the chamber is now absorbed by the water and it evaporates to the surroundings. This causes the cooling effect and the content inside is cooled at a temperature 10-20C below the room temperature!!!

Drawbacks:

• The main drawback in this case is the use of soft and fertile soil which is required for this process. This causes soil erosion which overshadows the advantages of this method.
• Transportation, again is a major problem as it is delicate and brittle.
• This can't be used in cases where we require much lower temperature like in case of storing medicines. 

 The grocery items find a perfect place to store, that does not even require electricity to cool down and even it is eco-friendly way of refrigeriration!!!

~SKC

Student @VIT University

When we were small and were mendling with those insects hanging on the roof tops, little did we know that they could be harmful too. Those hooting sounds,that sticky webs of spiders, sometimes it seems irritating. Usually we seem to curse those small things or even think why they were here along with us. Little did we know the potential of those small insects.

The one thing that caught my point is the strength of the spider web, a special species of spider to be specific,major-ampullate (dragline) silk to be pretty more specific.

MY IDEA.

Many of you might heard that the web of the spider is stronger than the steel. It may be used in the bullet proof jackets and other such things. But my idea is little different. We culture the silk worm to get silk out of it. Why can't we culture these little "pests" ???

• We can culture these little ones and take out their  precious possession, well simply called web.
• Then it can be spun into little threads and made into little wires.
• So these can be used be in the same way as steel.
• These can be used in place of steel bolts and steel rods.
• Small cracks in the screws, sheets and rods can be easily treated. The spider can be allowed to spin its web on the cracked part. Since the web is as hard as the steel itself replacing the part is not necessary now.
• Just like that of the silk worm, the silk from the spider can also be artificially made.
• Then we can use these silk to construct even bridges and tunnels as the strength of the spider's web is much greater than that of the steel.

Drawback.

       The web of the spider is sticky in nature. Till now we didn't find out a substance which would remove the sticky nature of this web. So till then it will be dream coming true.........

~SKC
Student @ VIT University, Vellore

From the beginning of my day, the water around always fascinated me. I would look at those animals taking a swim in those cool waters. I would long to swim like them. I didn't know the reason why I always drowned in those water. Even I cursed it not knowing the reason.

But when I knew the reason I tried to master that which prevented me from playing in water as on land.

Now when my mind started to solve the riddle an idea struck my mind

Whats my great idea by the way????

Its very simple. The idea revolves around the ship floating on water. Did you ever think why the ship with such a heavy load doesn't sink in the ocean.

 An object in a fluid experiences an upward force equal to the weight of the fluid displaced by the object. So if a boat weighs 1,000 pounds (or kilograms), it will sink into the water until it has displaced 1,000 pounds (or kilograms) of water. Provided that the boat displaces 1,000 pounds of water before the whole thing is submerged, the boat floats.

Because of buoyancy, even though the steel of the ship weighs a lot more then water, the ship also has a lot of air in it (the ship is not a solid chuck of steel), the lightness of the air off sets the heaviness of the steel to allow it to float.

The same principal can be used to make ourselves stand on the water. The shoe that we wear can be made in such a way that it has air which will make us stand on the water. The same way a life jacket we wear keeps us to stay afloat on the water.

• The shoe has to be designed in such a way that it is big enough to hold the air inside it so as to make ourselves stand on the water.
• The contact area between the water and the shoe should also be less keeping the pressure into consideration
• The shoe should be light weight but should be hollow and porous so as to withstand the pressure and to make the buoyancy effective than the downward force pushing you down to drown.  

Now its time to enjoy the unlimited fun of walking on the water just as on land. The fun starts now. Roll on to the air filled shoes, jump on to the water, start your game!!!!

~SKC

Student @ VIT University

One with a smart looks and smart phone catches everyone's glance even it may be for a second. When a spectacles adds to his face then it becomes PERFECT.

MY IDEA:

We feel irritated even when a drop of water sticks to our spectacles. When it rains then the one with spectacles are gone........nothing would be visible at all. How irritating it gets??

Then comes the cold weather. It forms a foggy layer on the spectales due to the heat of our body. This too makes our vision unclear.

 How much do we take care of those precious spectacles??

Ooff!!! Accidently our parents see those spectacles placed some where at the edge of the table, we are gone for the god's sake.

What if the spectacles is unbreakable, water proof etc etc with loads of features just like that of the smartphone. "SMART GLASSES" isn't it???

The normal recent day glasses uses fiber material which do not break like glasses which were used in olden days. Now my idea is to replace this by a material which is sensitive to the small electrical signals. The material changes its shape or can change its shape when it is subjected to small electrical signals.

The material used can also be photo sensitive or a thin layer coated on the outer surface thus acting like sun glasses too. The material should also be water repellant such that no water sticks to the surface of the spectacles.

APPLICATIONS:

• The one whose eye power changes frequently can use these spectacles as the power of the spectacles can be varied by applying a small amount of electrical signal thus saving significant amount of money used to buy another one.
• People wearing spectacles find difficult to wear sun glasses as usually the sun glasses do not have the power correction for them. Since the spectacle is photo sensitive no need to change the spectacles every time.
• Since the shape of the spectacles can be changed using a small electric signal even if it deforms during some accident it can be easily brought into original shape.
• They are better off than the rest of the spectacles in rainy seasons too.
• They can be used in the malls and big complexes. The heat and radiation from the sun can be prevented from entering inside and as the intensity of the light decreases it will allow the light to come inside.   

~SKC

Student at VIT University

We must have heard many times some one saying - "There is a magic in the air". But we think, really is there a magic in the air???

Thinking of it I couldn't make up my mind that really is there a magic in the air???

Then I came across a well known idea of generating electricity from the air. But in real time scenerio is this thing possible?? Then a really good idea struck my mind and here it is before you now.

 Before going into my idea let me explain you the concept behind my idea.

HOW IT WORKS??

 A high voltage power source causes sparks to oscillate across the gap.

 Each visible spark is actually a series of small sparks, jumping rapidly back and forth (oscillating) between the terminals.

 The size of the metal plates attached to the spheres from which the sparks are produced controls the frequency of the sparks produced.

 A loop of wire held near the oscilating spark, had a spark jump acrooss the air gap between the ends of the wire whenever a spark jumped across the high voltage.

How did it produce?? Did anyone even think of that???

The induced spark depends on the gap between the coil.

MY IDEA:

• We can transmit electricity in the air removing the need of the transmission wires. We can transmit electromagnetic signals at the transmission station and receive at the receiver station and produce electricity.
• Wireless chargers can be made. The high voltage supply can be converted into desired frequency by adjusting the size of the spheres at the input. Then it can be transmitted and a receiver can have the coil of desired gap. In this way mobile chargers can be made.
• All appliances which needs wire to connect from the plug now can work wirelessly.
• The complex wiring system in the houses and buildings can be removed by having a single transmitting system from which many appliances can be connected wirelessly.

ADVANTAGES:

• The need for the wires will be reduced thus decreasing the pressure on our precious resources like copper.
• There will be no need of wires for plugging in the power supply.
• The charging is now mobile and the appliance can be moved anywhere around.

Now I feel that there is really a MAGIC in the air.........

~SKC

Student At VIT University, Vellore

The world around us is very complex from the birds chirping to the web of a spider which is stronger than the steel thread.

But I think that understanding ourselves is much more complex than understanding there rest.

From the smallest mechanism that takes place inside our body each and everything is well- coordinated.

What happens when we sense a danger?? Why do we remove our hand when we feel the excess of heat??  We all must be knowing the reason for "what" and "why" but very few know the reason for "how"......

Let me explain in short how it works....

                                

The region between the two neurons is not connected together........Then you must be wondering than how really does it work???

Since we are now interested in the physics part only let me explain in short. The neurons produce an in-built magnetic field which is induced when something has to be communicated with other parts of our body.

What happens in case of a accident??? The reason why we fear the most is loss of some of our body parts like limbs. What if we have an artificial limbs that works same as that of our own legs......GREAT.....isn't it????

HOW MY IDEA WILL WORK ???

• If the neurons are attached with field detecting device and if we attach those with the limbs than it can make great wonders........
• Since the whole mechanism of the neurons works on the magnetic and electric pulses, the material that connects the neurons detects the signal accordingly.
• When it detects the signal it can vary the movement according to the intensity and the duration of the pulses sent by the neurons.
• The non-contacting portion of the robotized limbs can be made by the materials used now to connect the limbs after operation.
• One part is connected to the neurons and the other to that which connects the neurons.
• The junction between the two is such that it will be able to receive even the smallest of the signals and work accordingly.

 ADVANTAGES:

• The need for the crutches can be removed.
• The now available mechanism is all manual based in which the most of the work is done by the person itself. And it is not fully automatic.
• This artificial system is fully automatic and is line with the functions of our body. So it doesnt seem to be an external part of our body.
• This is also stronger than the real one. So in case of accident there is no loss of blood.

 DISADVANTAGES:

• Since this method involves connecting each and every neuron, it makes the process very tedious.
• The persons expert in this field will be hard to find because it is a complex mechanism and training in this field is hard.
• The cost will be obviously enormous as the specifications needed to meet the operation is high.

If it is practically implemented, then it would be a miracle for those who lost their body parts in the accidents............Wonders for the crippled and.........an achievement in the field of medical surgery....

~SKC

Student @ VIT University, Vellore

                                                    Flux Capacitance

If anyone is familiar with the principles of leading and lagging current verses voltage in an inductive or capacitive load this is where the principle derives. In industry, a high inductive load for high power machinery like lathes a phase shift capacitor bank is used to bring the current and voltage back into phase. Therefore if kept out of phase and a field is set up you have your time machine theory. The flux is a term used for an inductive load, capacitor speaks for itself. Shifting the inductance(flux)and capacitance you shift the phase in either direction. Forward or back in time!!!!

                         Time traveling??? YES you heard it right!!!!

•  It consists of a box with three small, flashing incandescent lamps arranged as a "Y", located above and behind the passenger's seat of the time machine.
• The light of the flux capacitor is pulsed faster until it has a steady stream of light.
•  The stainless steel body also had a beneficial effect on the "flux dispersal". Accessing the flux capacitor safely required disconnection of the capacitor drive.
• In order to travel through time, the vehicle has to be integrated with the flux capacitor which needs to be traveling at high speeds, and requires enormous amount of energy, could be supplied by a plutonium-powered nuclear reactor.
•  For the time machine’s return trip, a lightning rod is connected directly into the flux capacitor.

DRAWBACKS :

• Concept of lagging and leading of capacitor and inductor is theoretically easy to understand but difficult to implement.

INNOVATIONS :

• Flux capacitor solar cells can be used to produce high voltage capacitor banks and powers loads, frequency modifier capacitor banks.

VIBHOR DIXIT

STUDENT @ VIT University

 Who likes to stand in the hot burning sun???

We usually move under a tree or a shade. The temperature is considerably cooler even if  the difference in distance is very less.

 Did you ever stand in-between the doors such that you are half outside and half inside??

Try this you will notice something very peculiar. The temperature difference you will feel will push your mind to think something ahead. The same thing happened to me to think a bit away.

What if we can produce energy from this temperature difference??? We know the things but find it difficult to put it in a piece.  We usually heard of thermistors. But what really is a thermistor??

I will give a brief idea of how it works??

Thermistors differ from resistance temperature detectors (RTD) in that the material used in a thermistor is generally a ceramic or polymer, while RTDs use pure metals. The temperature response is also different; RTDs are useful over larger temperature ranges, while thermistors typically achieve a higher precision within a limited temperature range, typically −90 °C to 130 °C.

We know this that change due to temperature can produce a potential drop across thermistor and eventually producing current.

APPLICATIONS:

•  This can be used in the western countries where the temperature difference between the outside and inside has a huge difference.
• A thermistor can be installed in the railway station in western countries as the temperature difference is huge. The outside temperature outside can go down below zero whereas the temperature inside is ambient. This difference can produce electricity.
• Nations which have extremely high temperatures can also use this method to produce electricity. The condition over here is straight opposite to the above example. The outside is hotter than inside. So there is possibility of producing electricity here too.
• Even in industries where temperature difference is huge.
• Coal mines and nuclear cooling stations are few of the examples where this is used.

ADVANTAGES:

• Its a clean form of energy that does not cause any harm to the environment.
• The installation cost is also not much as compared to other sources of energy.
• The maintenance cost is also very low.  

DRAWBACKS:

•  The temperature difference has to be sufficiently high so has to produce significant amount of energy.
•  This is not a constant source of energy. So one cannot wholly depend on it for all practical purpose.
• This method can only be a part and not the whole of the source totally available form of usuable energy.
• Since it is temperature dependent a small variation in temperature can cause huge difference in energy. This may lead to internal circuit problems.

~SKC

Student @ VIT University

 Many see that when we press or put pressure on some thing the shape of a thing changes. What if we produce electricity from the pressure that we apply on that object???

That will be really great....isn't it???

But how can we produce this electricity from this pressure??? Here simple peizo device comes into play. Before we go into detail, let us be clear what really does a piezo do??

HOW DOES IT WORK ?

The piezoelectric effect is understood as the linear electromechanical interaction between the mechanical and the electrical state in crystalline materials with no inversion symmetry.

Whenever you apply a pressure on the piezo electric crystal than it converts it to elecrtricity.

The whole idea revolves around this. So when you apply a large pressure or apply pressure to a large no. of piezos together then we will get electricity.

APPLICATIONS :

•  For street lightning in the night piezos can be used. Piezos can be inserted in a part of a road say a patch which then is stored in batteries nearby. It will be best suited when it is installed at traffic signals as the vechicles halt for some time. when vehicles halt the pressure due to them produces electricity.
• It can be installed under some heavy objects in the room say cupboards where you get some constant pressure. Then this electricity can be collected in total to light the house.
• Motorised wheel chair can also make use of this principal.Since the person usually sits on the wheel chair the piezos can be inserted under the seat. This electricity can drive the motor.
• The piezos can be inserted under the chasis of a car. This also has a constant pressure. The electricity produced from it can be used to power the car.
• The piezos can also be inserted on the floors of the big malls or hospitals where you find many people moving in or out. So when they step in on that the electricity is produced from it.

ADVANTAGES:

• No pollution to the environment when producing electricity.
• It produces as high as 20kV of voltage which can be converted into usable forms of energy.

DRAWBACKS :

•  The total cost of installation is obviously high compared to the current methods available.
• They produce stary currents which is very dangerous. They can pick stray voltages in connecting wires connecting them.
• They are proned to cracking when the pressure exceed its limit.

~SKC

Student at VIT University

 What if the energy we use doesn't exhaust at all??

What if the energy we use is again converted to a usable form???

That would be a miracle.....isn't it??

But this thing is not impossible.....as nothing in this world is impossible!!!!

A crazy idea it may seem but it is possible even practically. The whole idea revolves around converting rotational energy into some form of usable energy.

For this you need to know the working of dynamo.

It works on the principal of Faraday's laws of induction. The Permanent magnet is rotated between the coils which produces electricity. This idea can be carried forward in the practical applications too.

Let me explain my whole idea using an example.

Suppose we connect the dynamo to a running fan, what will happen???

It is as simple as that. The dynamo connected to it will produce electricity. What if we connect this current to the fan itself. Energy it uses is again given to it. The energy is used at its utmost level.

So we need to supply a minimum current to run the fan.

APPLICATIONS:

•  This thing can be implemented in the wheels of any vehicle. When the wheel rotates the dynamo too rotates. This energy can be used to power the vehicle again.
• The small wind mill like structure can be constructed at the top of the moving trains so that the wind pushes the blades of the wind mill when it moves. This in turn produces energy which can be utilized for powering the lifts and fans inside a moving trains.
• We can attach the dynamo in the wheels of the trains, maybe a big one connected to many wheels. This in turn produces energy which can be utilized optimally.

DRAWBACKS:

•  We know that practically no device or instrument has 100% efficiency. So energy converted by the dynamo is not 100%.
• While including the dynamo in the circuitry, other forces too act. The main opposing force is friction. Eventually this makes energy consumed for rotation without dynamo lesser than with dynamo.
•  The net energy produced is very less.

CONCLUSION:

•  If we reduce the frictional forces and improve the efficiency of the dynamo we can achieve a desired level of energy that we need to operate the system.

 The day is not far when this comes to existence!!!!!

~SKC

STUDENT AT VIT University

Have you ever wondered what will happen to this planet when the electricity goes off........??

We are not able to tolerate even if the electricity goes off for a second!! Where from we get this energy which is always in high demand and for which the demand is increasing rapidly. Sources are many but feasibility comes to the account always. The renewable source is the best option for producing the electricity but when it comes to the supply the larger section of people it usually fails.

 Let me give you an idea what if we convert the solar energy at the outer space itself where it is available round the clock and send it to earth!!

First thing that comes to your mind is ....Is it possible???

Second thing strikes you is .....Is that feasible???

The main task lies in this, that How we are going to transmit it to the earth??

For me Here two ways are feasible .

·         Using microwave

·         Using laser

But How does it will work by the way?

 

A Pictorial Representation Of The Idea That I Have ( image courstey Mafic studio)

Huge solar collectors will be used to collect the radiated energy from the sun.

A Mega Solar Farm

USING MICROWAVE

• The energy converted by the photo voltaic cells are then converted into microwaves & transmitted to the earth
• The receivers can be orbiting or stationary on the earth.
• They collect the Microwave energy and then convert them into the form suitable for our use.
• The main drawback is that the microwave spreads for a large distance before reaching the earth.
• The intensity is reduced so we need to use large collectors at receiver's side. 

Representation Of Above Idea

USING LASER

• The above drawback can be overcomed in this method.
• The deviation in the LASER beam is very less & is within centimetres.
• The disadvantage of this method is that the laser beam is deflected by the clouds. So if the place is covered by clouds then it can not be transmitted at that place.

ADVANTAGES:

• They do not produce green house gases & also since they are away from earth they do not pollute the environment.
• If the initial cost are met it is the best alternative.
• They're not constrained by night/day cycles, the weather, or the changing seasons. And indeed, they would be much more efficient than any kind of ground-based station.
• The collection of solar energy in space is seven times greater per unit area than on the surface of the planet. Moreover, the amount of solar energy available up there is staggering — on the order of billions of times greater than what we draw today; the Earth receives only one part in 2.3 billion of the Sun's output. The potential for scalability is enormous, to say the least.

~SKC

Student @ VIT University