Lockheed Martin's 30-kilowatt fiber laser weapon system successfully disabled the engine of a small truck during a recent field test, demonstrating the rapidly evolving precision capability to protect military forces and ...
Engineering
Mar 4, 2015
23
870
American household Christmas lights, a favorite holiday tradition, use up more electricity than some poorer countries—such as El Salvador or Ethiopia—do in a year.
Energy & Green Tech
Dec 23, 2015
85
4450
(PhysOrg.com) -- If humans ever create a lunar base, one of the biggest challenges will be figuring out how to breathe. Transporting oxygen to the moon is extremely expensive, so for the past several years NASA has been looking ...
Using a simple solar cell and a photo anode made of a metal oxide, HZB and TU Delft scientists have successfully stored nearly five percent of solar energy chemically in the form of hydrogen. This is a major feat as the ...
Materials Science
Jul 29, 2013
12
1
When a current passes between two electrodes—one thinner than the other—it creates a wind in the air between. If enough voltage is applied, the resulting wind can produce a thrust without the help of motors or fuel.
Engineering
Apr 3, 2013
35
0
(Phys.org)—Electrical engineer and entrepreneur Louis Michaud's AVEtec company has received funding from PayPal cofounder Peter Thiel's Breakout Labs program to build an experimental Atmosphere Vortex Engine (AVE). The ...
For years, the electric vehicle industry has been eager to build a better electric car battery: one that extends range while having a longer overall life, is affordable, quick-charging and safe.
Energy & Green Tech
Mar 6, 2012
53
0
At a pilot facility in Singapore, Siemens has cut the energy needed to desalinate seawater by more than 50 percent. The plant processes 50 cubic meters of water per day, consuming only 1.5 kilowatt-hours of electricity per ...
Energy & Green Tech
Jul 12, 2011
2
1
An innovative solar-thermal heating and cooling system installed on top of the UA's Student Recreation Center is expected to harvest almost 200 million kilowatt hours of solar energy per year – enough to power more than ...
Energy & Green Tech
Oct 14, 2011
3
0
Japanese high-tech firm Hitachi Wednesday unveiled an electric motor that does not use "rare earths", aiming to cut costs and reduce dependence on imports of the scarce minerals from China.
Engineering
Apr 11, 2012
18
0
The watt (pronounced /ˈwɒt/ wot; symbol: W) is a derived unit of power in the International System of Units (SI), named after the Scottish engineer James Watt (1736–1819). The unit, defined as one joule per second, measures the rate of energy conversion.
This text uses material from Wikipedia, licensed under CC BY-SA
