New process generates hydrogen from aluminum alloy to run engines, fuel cells
May 16, 2007 |
4.5 / 5 (697) |
3
A Purdue University engineer has developed a method that uses an aluminum alloy to extract hydrogen from water for running fuel cells or internal combustion engines, and the technique could be used to replace ...
Hybrid Cars -- Pros and Cons
Jan 19, 2006 |
3.6 / 5 (779) |
1
If you listen to the makers, hybrid cars are the best invention since sliced bread. While there are many reasons to buy a hybrid car, including a new tax incentive for US owners, it helps to have a good understanding ...
40% efficient solar cells to be used for solar electricity
Jun 01, 2007 |
4.6 / 5 (456) |
0
Scientists from Spectrolab, Inc., a subsidiary of Boeing, have recently published their research on the fabrication of solar cells that surpass the 40% efficiency milestone—the highest efficiency achieved ...
Why a hydrogen economy doesn't make sense
Dec 11, 2006 |
4.2 / 5 (435) |
13
In a recent study, fuel cell expert Ulf Bossel explains that a hydrogen economy is a wasteful economy. The large amount of energy required to isolate hydrogen from natural compounds (water, natural gas, biomass), ...
UBC Engineers Create Vehicle that Travels from Vancouver to Halifax on a Gallon of Gas
Jun 20, 2006 |
4.6 / 5 (360) |
0
A team of engineering students from The University of British Columbia has built a vehicle so efficient that it could travel from Vancouver to Halifax on a gallon of gasoline.
Scientists mimic essence of plants' energy storage system
Jul 31, 2008 |
4.7 / 5 (307) |
46
In a revolutionary leap that could transform solar power from a marginal, boutique alternative into a mainstream energy source, MIT researchers have overcome a major barrier to large-scale solar power: storing ...
Powerful Little Light: LED With 1,000 Lumens
Mar 15, 2007 |
4.4 / 5 (322) |
3
Osram has developed a small light-emitting diode spotlight that achieves an output of more than 1,000 lumens for the first time. That’s brighter than a 50-watt halogen lamp, thereby making the device suitable ...
Mini Nuclear Power Plants Could Power 20,000 Homes (Update)
Nov 12, 2008 |
4.6 / 5 (239) |
102
(PhysOrg.com) -- Underground nuclear power plants no bigger than a hot tub may soon provide electricity for communities around the world. Measuring about 1.5 meters across, the mini reactors can each power ...
Scientists and engineers simulate jet colliding with World Trade Center
Sep 11, 2006 |
3.9 / 5 (258) |
1
Researchers at Purdue University have created a simulation that uses scientific principles to study in detail what likely happened when a commercial airliner crashed into the World Trade Center's North Tower ...
'Air shower' set to cut water use by 30 percent
Nov 09, 2006 |
4.6 / 5 (184) |
0
As Australians become increasingly alert to the importance of using water wisely in the home, CSIRO researchers have found a way to use a third less water when you shower – by adding air.
IBM Extends Moore's Law to the Third Dimension
Apr 12, 2007 |
4.7 / 5 (178) |
0
IBM today announced a breakthrough chip-stacking technology in a manufacturing environment that paves the way for three-dimensional chips that will extend Moore’s Law beyond its expected limits. The technology ...
Einstein's green refrigerator making a comeback
Sep 25, 2008 |
4.4 / 5 (184) |
10
While almost everybody knows how Einstein revolutionized physics with his theories of relativity, many people may not know that the great scientist had a domestic side, too. Well, sort of - in 1930, Einstein ...
The car that makes its own fuel
Oct 24, 2005 |
4.2 / 5 (193) |
0
A unique system that can produce Hydrogen inside a car using common metals such as Magnesium and Aluminum was developed by an Israeli company. The system solves all of the obstacles associated with the manufacturing, ...
Researchers reveal 'extremely serious' vulnerabilities in e-voting machines
Technology / Computer Sciences
Sep 13, 2006 |
4.9 / 5 (156) |
0
In a paper published on the Web today, a group of Princeton computer scientists said they created demonstration vote-stealing software that can be installed within a minute on a common electronic voting machine. ...
Solar Cells with 60% Efficiency?
Jan 09, 2008 |
4.7 / 5 (159) |
19
Nuclear Engineer Lonnie Johnson, best known for his invention of the super soaker squirt gun, has recently designed a new type of solar energy technology that he says can achieve a conversion efficiency rate ...
