March 6, 2013

How Penguins Survive Subzero Cold

Joseph Stromberg, Smithsonian

AP Photo

Antarctica, as you might expect, gets pretty darn cold: Temperatures as low as -40 degrees Fahrenheit are often recorded during the winter. For the creatures who live there, this extreme cold demands innovative survival strategies that enable the loss of as little heat as possible.

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TAGGED: Convection, Radiation, Heat, Cold (temperature), Penguins


October 23, 2013
Generating Magnetic Field Using Heat
Ecole Polytech Federale de Lausanne
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... more ››