New Camera Records Invisible Motion

The world around us is in constant motion, even objects that seem to be perfectly still. Researchers at the Massachusetts Institute of Technology use a special camera that offers glimpses into the world of seemingly invisible movements. Many objects around us vibrate when hit by sound waves but the movements are invisible to the naked eye. For instance, a wine glass exposed to a loud noise…..vibrates although it looks perfectly still. However, if you tape the movements with a...

© La Voix de l'Amérique - mercredi 4 février 2015