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College of Arts and Sciences Yi Gu

CAS leads top 20 WSU research stories of 2017

From rising inequality and declining Monarch butterfly populations to a particle with negative mass, news coverage about the College of Arts and Sciences research reached millions of people last year.

News outlets carrying the stories ran the gamut of the nation’s most popular media, including CNN, The Washington Post and National Public Radio, as well as specialty science publications like Science and all the region’s major news vehicles. » More …

New device could turn heat into a viable energy source

A new device being developed by Washington State University physicist Yi Gu could one day turn the heat generated by a wide array of electronics into a usable energy source.

A multi-component, multi-layered composite material called a van der Waals Schottky diode, the WSU device converts heat into electricity up to three times more efficiently than silicon, a semiconductor material widely used in the electronics industry. While still in an early stage of development, the new diode could eventually provide an extra source of power for everything from smartphones to automobiles. » More …