Span


China River Turns Red in a Span of 24 Hours

China River Turns Red in a Span of 24 Hours

A river in China has turned red in a span of a mere 24 hours. It remains a mystery how such a clean river could turn so red in...

Jul 27 2014, 4:33am CDT

Betavoltaic Battery Teases Us with 30 Year Life Span

Betavoltaic Battery Teases Us with 30 Year Life Span

Research funded by the U.S. Air Force Research Laboratory could lead to batteries for our laptops that run for 30 years without...

Oct 3 2007, 12:33pm CDT