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42k

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How does gravity escape a black hole?

general-relativity gravity black-holes speed-of-light

Jun 6 at 2:09 Timothy 1,428

69

votes

6

answers

10k

views

Why don't choir voices destructively interfere so that we can't hear them?

waves acoustics interference

Oct 27 '15 at 18:03 Community♦ 1

5

votes

1

answer

1k

views

Why alpha decay usually leads to ground state while beta decay usually leads to excited state?

nuclear-physics radiation

Aug 19 '16 at 11:39 ACuriousMind♦ 89k

4

votes

2

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816

views

How do electrons store Joules?

energy electricity

Dec 29 at 7:30 Qmechanic♦ 142k

3

votes

2

answers

675

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Do fluorescent white materials exist?

fluorescence

Sep 8 '16 at 15:31 antlersoft 131

2

votes

1

answer

162

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What did Feynman want to mean by 'artificial energy'?

electrostatics

May 15 '16 at 13:49 Community♦ 1

2

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0

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149

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How do gravitational waves and black holes interact?

general-relativity gravity black-holes gravitational-waves

Feb 13 '16 at 18:12 Qmechanic♦ 142k

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