/u/ktool's posts in /r/askscience

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If charged particles that are stationary are electric, those that move uniformly are magnetic, and those that accelerate emit radiation, what happens with those that jerk or snap?

740 upvotes

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Which 6 of the 16 Einstein field equations are duplicates, and why?

326 upvotes

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Do endothermic organisms have higher entropy or greater entropy production than ectotherms?

91 upvotes

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When we say space is expanding, what is that relative to?

64 upvotes

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Where in Einstein's field equations (or other equations if needed) does gravity propagate at the speed of light?

31 upvotes

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Why is it a joke to ask someone to explain where layer 6 of the OSI model is?

25 upvotes

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If gravitational paths such as orbits are conic sections, what is the cone?

21 upvotes

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Is one second equivalent to the distance light travels in one second?

14 upvotes

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What are particles in the holographic principle?

13 upvotes

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What is the best definition of entropy?

13 upvotes

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Title	Upvotes	Mark as read	Favorited	Rating	Add to a list
If charged particles that are stationary are electric, those that move uniformly are magnetic, and those that accelerate emit radiation, what happens with those that jerk or snap?	740
Which 6 of the 16 Einstein field equations are duplicates, and why?	326
Do endothermic organisms have higher entropy or greater entropy production than ectotherms?	91
When we say space is expanding, what is that relative to?	64
Where in Einstein's field equations (or other equations if needed) does gravity propagate at the speed of light?	31
Why is it a joke to ask someone to explain where layer 6 of the OSI model is?	25
If gravitational paths such as orbits are conic sections, what is the cone?	21
Is one second equivalent to the distance light travels in one second?	14
What are particles in the holographic principle?	13
What is the best definition of entropy?	13