New article: Thermal diode computers that run on heat instead of electricity read more at here http://www.spinonews.com/index.php/science/item/3324-thermal-diode-computers-that-run-on-heat-instead-of-electricity

Now a days from low level to high level each and every gadget consists of electric components some devices work efficiently in heat and other devices don’t people have an blind assumption that electronic devices doesn’t work in highly heated conditions. The researchers have started a study to develop the electronic components that work in high temperatures. Researchers a team at the University of Nebraska-Lincoln have developed thermal diodes, powered by heat a byproduct of electricity. Thermal diode a computer component can function in heated conditions with the help of heat instead of electricity. Researchers have stated that these new thermal diode computers can also work on Venus and deep inside the earth without any problem.

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A Regular diode component in electronic circuits that allows electricity to flow freely in one direction but blocks it from moving back the other way. The components fail under high temperatures or when exposed to ionizing radiation. “If you could control heat, you could use it to do computing and avoid the problem of overheating”. New thermal diode consists of pairs of surfaces, where one is fixed and the other can be moved towards or away from its stationary partner. That movement is handled automatically by the system to maximize the transfer of heat when the moving surface is hotter than the still one, it will actuate inwards, and increase the rate that heat moves to the cooler surface.

When performed at temperatures between 215° and 494° F (102° and 257° C), the thermal diode hit a peak heat transfer rate of about 11 percent, but the team reported that the device was able to function at temperatures as high as 620° F (327° C). Researchers believe that future versions could even operate at up to 1,300° F (704° C), potentially leading to computers that can work under extreme heat conditions.

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The devices heated up working too long hours at this situation the electronic components on the circuits get over heated tend to fail themselves. Each and every component cannot be provided cooling fans Lockheed Martin has improved with embedding microscopic water droplets inside chips, IBM developed the counter-intuitive technique of cooling with warm water, and Microsoft has turned to the power of the ocean itself to cool a large data center. Using components like thermal diodes, the researchers say some of that wasted heat could instead be fed back into the system as an alternative energy source, improving its energy efficiency.

 Nearly 60 percent of the energy produced for consumption in the United States is wasted in heat," says Ndao.  The researchers are now working on improving their thermal diode's efficiency. But since diodes aren't the only component in electronics, a true thermal computer would need the rest of its system to be able to withstand those temperatures as well.