A new substance could be used in portable sensors to reveal traces of explosives.
Engineers have built a portable device that can simulate the effects of a hurricane.
Transparent transistors made from nanowires could mean bright and clear OLED displays.
New software creates fluorescing type with ordinary printers, paper, and ink.
A way to align nanowires could lead to better sensors and flexible displays.
A toxin released in a plane can now be traced back to a single seat.
Digital-cinema technology improves the stereoscopic effect.
Computers outperform humans at recognizing faces in recent tests.
A new type of nanometer-size semiconductor crystal that can amplify light marks an important step toward cheap, tunable lasers.