Important Quantum Effects in Our World

Scanning Tunneling Microscope “Sees atoms and electrons”Invented at IBM Labs, Switzerland,1985 

(Depends on quantum “tunneling”)

Due to quantum wave character of

electrons in crystals

Lasers 

Due to quantum wave character

of photons of light

Semiconductors - Basis of all modern electronicsTransistor invented at Bell Labs, 1947 (Bardeen, Brattain, Shockley

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