The solar-panel installer is replacing diesel engines in villages in India and other Asian countries.
Estimates of the historical value of a user put the IPO hype in perspective.
Cheap sequencing technology is flooding the world with genomic data. Can we handle the deluge?
Qualcomm uses the mechanism that gives color to butterfly wings to make low-power, full-color e-reader displays.
A desktop 3-D printer builds plastic objects layer by layer
Behind the scenes at a startup developing batteries for grid storage.
The historian of technology discusses the remarkable story that inspired his latest book, Turing’s Cathedral.
What’s a tweet worth? The Web is redefining what’s valuable and letting people create personal wealth in surprising new ways.
Wireless battery charging and remote control via a Bluetooth-based smart-phone app gives this robot toy its appeal.
Organovo's 3-D printer creates human tissues that could help speed drug discovery.