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Jon Custer's user avatar
Jon Custer's user avatar
Jon Custer's user avatar
Jon Custer
  • Member for 10 years, 10 months
  • Last seen this week
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  • Albuquerque NM
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View all questions and answers
answer
34
Why is caesium-137 more stable than caesium-134?
Jun 21, 2017
answer
30
Why are no metals green or blue?
Sep 19
answer
24
Is it more efficient to stack two Peltier modules or to set them side by side?
Jun 4, 2014
answer
15
Is semiconductor theory really based on quantum mechanics?
Jun 28, 2021
answer
9
Why is the energy spectrum of alpha decay discrete?
Jun 16, 2015
answer
9
Do neutrons fall to the center of the earth?
Feb 15, 2022
answer
9
Could somebody explain the stress versus strain curve?
Aug 26, 2020
answer
7
How is it we have helium on earth?
May 20, 2015
answer
6
Why absence of electron is called hole?
Feb 13, 2014
answer
6
Why do we heat salt water to desalinate it rather than freeze it?
May 16, 2019
Top Meta posts
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73
Physics.SE remains a site by humans, for humans
48
Do we want to implement the new AI policy banner on Physics SE?
20
Do we want to implement the new AI policy banner on Physics SE?
13
Is it OK to copy and paste part of own answer over and over, to answer new questions?
13
Is it valid to ask for a brief translation for a paper in a foreign language?
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122
When should a professor recommend a student drop out of college?
105
My supervisor misjudges my knowledge
94
Has the Nobel Foundation said anything about the skewed gender ratio in the 2021 Nobel laureates?
75
In an emergency, how do I find and share my position?
73
As session chair, how to politely end someone's presentation/conversation if over time?