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Puk's user avatar
Puk
  • Member for 3 years, 4 months
  • Last seen more than a week ago
Profile Activity
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223
reputation
2k
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1
answer
2
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5
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2
Posts
67
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5
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1
Posts
33
Posts %
5
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1
Posts
33
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0
Score
2
Posts
67
Posts %
0
Score
1
Posts
33
Posts %
0
Score
1
Posts
33
Posts %
Top posts
All Questions Answers
Score Newest
answer
5
Trying to use Canon 60D DSLR with Skywatcher 130P. Can't focus image
Aug 6, 2020
question
4
Can a telescope ever increase the apparent luminance of an extended object?
Aug 10, 2020
question
3
Precise meaning of collimation/alignment of a binocular
Aug 5, 2020
Top network posts
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48
Why do higher harmonics have a lower amplitude than the fundamental frequency?
35
Is it possible to convert gravitational energy directly into electrical energy?
33
Based on my calculations, we cannot see the Earth from the ISS. Obviously it's wrong. Why?
25
Does rigid body rotation contradict Newton's first law?
18
Does amplitude really go to infinity in resonance?

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