Technology news

Hybrid Cars -- Pros and Cons

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 ...

Jan 19, 2006 feature
3.6 / 5 (1015) 1

Electronic tattoo display runs on blood

Jim Mielke's wireless blood-fueled display is a true merging of technology and body art. At the recent Greener Gadgets Design Competition, the engineer demonstrated a subcutaneously implanted touch-screen ...

Feb 21, 2008 weblog
4.5 / 5 (465) 50

Why a hydrogen economy doesn't make sense

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), ...

Dec 11, 2006 feature
4.1 / 5 (465) 13

Powerful Little Light: LED With 1,000 Lumens

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 ...

Mar 15, 2007
4.4 / 5 (336) 3

Robot Discovers Itself, Adapts to Injury

Nothing can possibly go wrong ... go wrong ... go wrong ... The truth behind the old joke is that most robots are programmed with a fairly rigid "model" of what they and the world around them are like. If a ...

Nov 16, 2006
4.8 / 5 (218) 1

IBM Extends Moore's Law to the Third Dimension

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 ...

Apr 12, 2007
4.7 / 5 (178) 0