Neutron-based device could foil terrorists by sensing explosives in baggage.
The 1s and 0s of high-definition television, standard in U.S. home theaters by 2006.
From typewriters to vacuum tubes, these 10 technologies aren't as obsolete as you might think.
Who needs batteries? Small gadgets could draw power from the tiny tremors in your office or car.
Computer-guided laser beams create microscopic 3-D structures.
A chip that combines optics and electronics generates light 100 times more efficiently than previous devices.
Cooligy's micromachined system chills chips, paving the way for faster, more powerful computers.
Software that analyzes system log files could help automate computer networks.
Robotic "power pants" use sensors and artificial muscles to give you an extra jolt of strength.
Consumers have a right to know the diagnoses made by their cars' onboard computers.