A German research team has prototyped an extraordinary heating/cooling system that stresses and unloads nickel-titanium "muscle wires" to create heated and cooled air at twice the efficiency of a heat ...

A new type of energy efficient, ecologically sustainable cooling technology that does not require the use of climate-damaging refrigerants is currently being developed by Professor Stefan Seelecke and ...

Cooling is a hugely important process in today’s world. But how can cooling be carried out in future in a way that does not harm the climate and that helps to conserve natural resources? A new ...

An international team led by researchers at The University of Texas at Dallas and Nankai University in China has discovered a new technology for refrigeration that is based on twisting and untwisting ...

Implants made of nickel-titanium alloy were evaluated in a long-term study. Results indicate that the release of nickel from wires made of nickel-titanium alloys is very low, even over long periods of ...

Twisting and untwisting rubber fibers, fishing lines, or nickel-titanium wire can cause their temperature to change by as much as 20 ºC. When fibers are twisted, their temperature rises. They then ...