All Items Tagged

“alternative energy”

Dec 10, 2014 09:31 AM ET
While fossil fuel energy represents the most common class of power generation, solar power just made a big leap forward, hitting 46 percent efficiency. Trace runs down the details and sees how the breakthrough stacks up against other power systems.
Dec 1, 2014 12:15 PM ET // Evan Ackerman, IEEE Spectrum
Passive radiative cooling uses the entire universe as a place to dump heat.
Nov 18, 2014 03:17 PM ET // Tracy Staedter
Sunny South Africa takes full advantage of its natural resource. Continue reading →
Nov 13, 2014 11:10 AM ET // Elizabeth Palermo, LiveScience
Dutch company SolaRoad officially opened the world's first solar roadway.
Oct 30, 2014 10:24 AM ET // Tracy Staedter
The eTree converts sunlight into useful energy for public spaces. Continue reading →
Oct 30, 2014 01:49 PM ET // Patrick J. Kiger
The cost of solar power is on the verge of catching up with conventional electricity, report two new studies. Continue reading →
Oct 27, 2014 04:48 AM ET
Lockheed Martin says it's closing in on a compact nuclear fusion device that will be like a mini-sun, supplying vast amounts of energy from small amounts of water. Nearly unlimited energy from water?! Where do we sign up?
Oct 17, 2014 10:35 AM ET // AFP
Unlike nuclear fission, fusion reactors do not generate heaps of radioactive waste.
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