Today's stock market has become a world of automated transactions executed at lightning speed. This high-frequency trading could make the financial system more efficient, but it could also turn small mistakes into catastrophes.
VoIP does for voice what cloud computing did for the Web, experts say.
New circuits bring low-power nanotube computers closer.
A new tool takes a hint from 1980s database programming.
The all-electric car will tell drivers where to recharge.
A new type of flash could be used in e-readers.
Nanocrystals improve the efficiency and color range of LCDs.
Nanotubes promise better ion-propulsion efficiency.
Injecting liquid metal into a polymer results in a twistable, stretchable antenna.
Some experts doubt that startup Square can succeed.