Using the design principles of the kirigami, the ancient art of folding and cutting paper, researchers at the North Carolina State University in the US have developed technology that can move fragile ...

Over the past several decades, scientists have developed optical and acoustic tweezers. Using light or sound waves, they can lift and control the motion of a small object, like a tiny tractor beam.

How we focus our attention before we even see an object matters. For example, when we look for something moving in the sky, ...