Motion is an essential process for many living organisms and for artificial robots and machines. To date, creating self-propelled motion in nano-to-macroscopic-sized objects has been a challenging ...

When I was a teenager, I was—shockingly, I know—deeply nerdy. At a science-fiction convention, I bought a button that read, “186,282 miles/second: Not just a good idea, it’s the law.” It was poking ...

Nature has developed striking light-powered proteins such as bacteriorhodopsin, which can convert light energy into conformational changes for biological functions. Such natural machines are a great ...

Light is the fastest thing in the universe, so trying to catch it on the move is necessarily something of a challenge. We’ve had some success, but a new rig built by Caltech scientists pulls down a ...

Scientists in Germany managed to halt light for a full minute, using a crystal and precise control of magnetic and laser fields. Astonishingly, they even stored images in the frozen light, a feat that ...

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One of the dumber assertions that always turns up in arguments about the sciences versus "the humanities"-- the Two Cultures of C.P. Snow's famous lecture-- is that the clinical approach inherent to ...

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