In Pictures: 10 really small devices that could change the world

From the world's tiniest semiconductor laser to a bee-sized flying robot, these minuscule devices -- many of which cannot be seen by a human eye -- are changing our world.

A tiny capacitor with a large capacity Whether it's a TV, computer or smartphone, one thing is guaranteed: Most of today's electronics devices have dozens, if not hundreds, of capacitors that store and release electrical energy. Engineers at Japan's Murata Manufacturing Co. have created one of the smallest discrete capacitors around.

Made of monolithic ceramic, the tiny capacitor measures .005 x .005 x .01 in., smaller than a pencil point and one-quarter smaller than the previous record for capacitor size. No bigger than a pollen grain, the micro-capacitor not only takes up less space and is lighter than previous efforts, but consumes less power; it should be available later this year.

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