With high-speed cameras you’re able to see bullets passing through objects, explosions in process, and other high-speed phenomena. Rarely, though, are you able to see what happens when light shines on ...

WE have previously described 1 a method of holography with a double focus lens which, used with ‘Polaroid’ photographic material type 55P/N, provided a simple demonstration of the complete process ...

Meera Chandrasekhar, a curators' teaching professor of physics and astronomy at the University of Missouri, says, "Light is a form of energy. The energy comes to the Earth from the sun through ...

Bats demonstrate remarkable skill in tracking targets such as bugs through the trees in the dark of night. Decades of research on how bats use echolocation to keep a focus on their targets not only ...