Do students judge professors based on their Facebook profiles?

More than 800 million people worldwide use the social networking site Facebook, and 93% of college students have an active Facebook account, according to a recent estimate. As both students and faculty on college campuses ...

NIST 'Vision Science Facility' aims for lighting revolution

Light-emitting diodes, or LEDs, have become popular with backpackers and cyclists who mount them on headbands for a reliable, hands-free source of illumination. Now, a new lab at the National Institute of Standards and Technology ...

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