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Interplanetary space contains just a few dozen particles in each cubic centimeter — in comparison, the air we breathe has tens of quintillions of molecules per cubic centimeter.

You’re on a metal tube with 20 centimeters for your legs.

The city had an evacuation plan, but Murakami said it assumed only about 50 centimeters, or about 20 inches, of water would reach the front of city hall.

It would have left just a few centimeters of ash and caused little or perhaps no structural damage.

RAVEN's unique design allows it to walk, traverse gaps in terrain, and even to jump up onto an elevated surface 26 centimeters high.