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Derfder

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visits member for 8 months
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Derfder is my name ;)
226 reputation
 bio website visits member for 8 months
7 badges
 location seen Apr 19 at 13:31
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6 Favorites

added views newest activity votes
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How many percent of the visible light reaching the Earth are from other stars than the Sun?

astronomy visible-light photons sun
apr 17 at 17:25 SpiderPig 159
4
5
votes
1
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357
views

Do all the forces become one?

forces quantum-gravity big-bang theory-of-everything unified-theories
dec 22 at 11:55 Community♦ 1
1
2
votes
3
answers
301
views

Less than absolute zero possible?

thermodynamics temperature dark-energy
jan 16 at 18:22 KeithS 400
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2
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4
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125
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Does everything with mass or energy have a gravitational pull?

general-relativity gravity mass mass-energy
apr 4 at 15:09 John Rennie 44.4k
1
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vote
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Does the unpredictability in the “micro world” means that everything is if we can look at it close enough imperfect?

quantum-mechanics particle-physics measurement-problem particles
mar 10 at 5:20 anna v 25.9k
1
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4
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218
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Which part of making an atomic bomb is the hard part and how many people know how to do that?

soft-question nuclear-physics nuclear-engineering
sep 29 at 22:13 Martin Beckett 11.1k
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