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controlgroup
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41
Would weightlessness (i.e. in thrill rides, planes, skydiving, etc.) be different on a Flat Earth?
Aug 20, 2024
31
How do we know what's IDEAL if we have never seen it?
May 5
26
Why don't spaceships get hotter and hotter until they burn up since they are in a near perfect vacuum?
Jan 30
25
Could a black hole’s photon sphere theoretically act as a "mirror" to observe Earth’s historical light?
Jan 21
23
Why is redshift possible if the speed of light is constant?
Feb 21
21
Why is the permeability of the vacuum exact, and why must the permittivity be determined experimentally?
Jan 22
20
Is a "hot cube" (analogous to an ice cube) a physical possibility?
Oct 29, 2024
19
How has the rotation of Earth been accounted for in the theory of gravitational time dilation?
Apr 30
13
How do you calculate time dilation if there's two gravitational pulls acting at once?
Jan 8
12
What happens in perpetual free fall under the Earth's gravity in an expanding universe?
Mar 27
Top Meta posts
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12
Instead of closing a question as "engineering, not physics", why don't we just move it to Engineering SE?
9
Reopen question request: my question is more than a home work question
8
Are the answers on popular questions here reliable?
5
Kicked out of a chat room because of "climate denial"
4
Why is Diametric drive off-topic?
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36
Join us for our first community-wide AMA (Ask Me Anything) with Stack Overflow’s CEO (and a few others) on February 26, 2025
33
Did the Biden administration lose almost a trillion dollars to “improper payments”?
30
What would be the most optimal way to produce and utilize an army of Pinocchios?
29
Is there any reason other than politics why all ideas for nuclear pulse propulsion have been abandoned?
26
How is maintenance, repair and refueling done on satellites currently?