photovoltaic

Solar energy gets an endurance boost from salt

Feb 9, 2018

Solar panels at Topaz Solar Farm in California.

Solar panels are cheaper than ever. But some manufacturers are losing money.

Jan 13, 2017

A proof-of-concept device built by MIT researchers demonstrates the principle of a two-stage process to make incandescent bulbs more efficient. This device already achieves efficiency comparable to some compact fluorescent and LED bulbs. Photo courtesy of

Can we recycle light? And can it help us fight global warming?

Jan 21, 2016