An optical fiber is actually a tiny wave guide which supports optical frequency waves using the principles of total internal reflection at the boundaries of the fiber.

光纤维实际上就是一根纤细的波导管它应用全内反射原理在自身范围内承载光波。

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

ECONOMIST: Fundamental physics

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

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

FORBES: Shield Sham