An LED flashlight makes culprits vomit.
New high-contrast displays could provide more-realistic images.
A compact device that extends the range of colors from a laser could be used in portable explosive detectors.
A NASA spacecraft preparing to launch will use novel technology to search for signs of life on the red planet.
Researchers can make an adhesive either stick or come undone by changing its acidity.
A lunar mission and a reusable launch vehicle are planned.
A new animated lighting system lets movie directors improve shots in seconds.
Researchers find an easy route to complex nanomaterials.
Robots might behave more efficiently if they had emotions.
A new paperlike material could lead to novel types of light and flexible materials.