At one point or another, we've all tried to make shadow puppets, twisting our fingers in front of a light to throw a shadow that looks like a rabbit or a dog or whatever. A new exhibition at ...

A new experiment has demonstrated something that sounds physically impossible – light itself casting a shadow. It turns out that if you manipulate a laser just right, then hit it side-on with another ...

Unusual shadow illusions created by light and object placement. Donald Trump announces major change for school cafeterias ...

The first light-sensing system that reconstructs human postures continuously and unobtrusively has been developed by scientists, furthering efforts to create smart spaces in which people control their ...