News tagged with temperature difference

Solving a mystery of thermoelectrics

Materials that can be used for thermoelectric devices—those that turn a temperature difference into an electric voltage—have been known for decades. But until now there has been no good explanation for ...

dateApr 29, 2014 in Materials Science
shares0 comments 0

Weighing gas with sound and microwaves

NIST scientists have developed a novel method to rapidly and accurately calibrate gas flow meters, such as those used to measure natural gas flowing in pipelines, by applying a fundamental physical principle: ...

dateJan 26, 2015 in Engineering
shares26 comments 0

Using heat to make magnets

EPFL scientists have provided the first evidence ever that it is possible to generate a magnetic field by using heat instead of electricity. The phenomenon is referred to as the Magnetic Seebeck effect or ...

dateOct 17, 2013 in General Physics
shares0 comments 1