News tagged with temperature gradient

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 ...

Oct 17, 2013
4.6 / 5 (23) 1 | with audio podcast

A 'turbo' for solid oxide fuel cells

To convert waste heat from solid oxide fuel cells into electricity is the goal of the "HITTEC" project. Researchers from Empa, in a strategic partnership with Hexis AG, are developing a thermoelectric converter ...

Dec 10, 2012
5 / 5 (6) 0

Where North meets South in the sea

(Phys.org) -- The Atlantic Ocean off Nova Scotia ... and off Florida. Along some 2,000 miles, its waters go from icy to steamy. Can a marine species live in both temperatures--and everywhere in between?

Jul 25, 2012
4 / 5 (2) 1