This computer has no internal power supply, but when a specially designed reader sends out a radio signal, a tiny antenna draws power from the wave and uses it to wake the computer up.

ECONOMIST: High-tech passports are not working

Unfortunately, a passing gravitational wave will make only a tiny change in the distance the laser beams have to travel.

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The packaging for Wave Shield says its product blocks a tiny channel of radio emissions to the ear.

FORBES: Shield Sham

Renewable technologies, such as wind power, wave power and biomass power, are a tiny part of the energy mix, and are more expensive than nuclear power.

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Even if it's a tiny, scrappy circuit that flashes a set of lights on and off when you wave your hand over it, it's your circuit.

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