Quantum physics (quantum theory, quantum mechanics)

Double slit experiment
Originally performed by Young (1801) to demonstrate the wave-nature of
light. Has now been done with electrons, neutrons, He atoms,…
d
y
Alternative
method of
detection: scan a
detector across
the plane and
record number of
arrivals at each
point
D
Detecting
screen
Expectation: two peaks for particles, interference pattern for waves
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