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gigacyan

Switzerland

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25
What is the difference between Raman scattering and fluorescence?
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20
Do mirrors increase the amount of light in a room?
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20
Newton's rings: What causes the other rings?
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18
Is colour, as represented using primary colours, accurate only to humans?
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14
Why do microwave ovens use radiation with such long wavelength?
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13
What longest time ever was achieved at holding light in a closed volume?
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11
How long would a lever have to be to move the planet Earth?
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11
Energy conservation and quantum measurement
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11
Does Tesla's photoelectric "solar cell" really work?
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10
How far do air particles move when a sound wave passes through them?
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10
What {R,G,B} values would represent a 445nm monochrome lightsource color on a computer monitor?
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9
How much does it cost every time your car stops for a traffic light?
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9
Feynman random walk
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8
How come gas molecules don't settle down?
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7
Harmlessness of a pure alpha decay particle
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7
Physics of the inverted bottle dispenser
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7
Is there a definite boundary between a powder and a fluid?
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6
Do photons gain mass when they travel through glass?
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6
Addition according to significant digits
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5
Can facial surgical mask effectively filter particles of smoke pollution?
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5
A water drop in vacuum
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5
Why water vapour condense easier in contact with a solid?
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5
Will a laser beam be affected by the Coriolis Force?
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5
Spectrometer vs. Spectrophotometer
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