Photovoltaic Cells

Science

The Next Alternative Energy Source: Electricity Out Of Thin Air

2:00PM August 26, 2010 | Christina Bonnington

It’s been coined “hygroelectricity”, which means “humidity electricity”, and scientists are already in the early stages of developing devices to harness it. What is “it” exactly? “It” is electrically charged water droplets hanging in the atmosphere. More »


Science

Cheap, Printed Solar-Powered LEDs Could Change 1.5 Billion Lives

12:40PM November 4, 2009 | Rosa Golijan

Photovoltaic cells printed on sheets aren’t news, nor are LEDs and ultrathin lithium batteries. What’s news is a combination of the three which can help give light to 1.5 billion people who live in impoverished areas without access to electricity. More »