A new kind of robot can cling to walls and relax its grip.
A new system from Microsoft turns virtually any surface into a multitouch display.
New composites could lead to better food packaging, and to lighter car and airplane parts.
A new kind of semiconductor terahertz laser works at room temperature.
Sending descriptions of data could be more efficient than sending the data itself.
The new machine will have dual touch screens--and cheaper hardware.
How a programming error introduced profound security vulnerabilities in millions of computer systems.
A lightweight prosthetic hand uses hydraulics to achieve more natural finger movement.
One Laptop per Child inks a deal with Microsoft to put Windows on the "100-dollar" machine.