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Cooling a cup of coffee with help of a spoon
14
Why do car keys have longer range when held next to your head?
11
If it was possible to dig a hole that went from one side of the earth to the other
10
How does a particle of light reach the max speed of light?
9
What happens if you try to freeze water in an water tight container
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Cooling a cup of coffee with help of a spoon
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How far would you need to displace your eyes to get meaningful depth perception of the stars?
+10
Laser cutting/drilling of copper
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Why is copper diamagnetic?
7
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10
“Speed” of Gravity and Speed of Light
6
Why do blades of windturbine propellers as comp. to propellers of ships cover very different areas?
5
Charged Black holes - What is the Interest in those?
4
Has somebody ever tried to measure the gravity oscillations of nearby rotating masses?
3
neutrinos by formation of “neutron pairs”
82
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