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

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Where does the energy from buoyancy come from? If a helium balloon "floats", where does it get the free gravitational potential energy from?

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Are our immune systems less or more active when we are asleep?

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Would it be possible for us to get a tiny camera up to relativistic speeds then send us back a video? What would be the logistics of this?

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Why is cosmic inflation allowed to exceed the speed of light?

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Why do garbage bins always smell the same?

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What would a black hole look like if it didn't warp light?

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If the only thing holding a particle from teleporting randomly back is the insanely low probability of it doing so, wouldn't that tell us the universe is finite, as if it wasn't particles would be appearing in our space constantly?

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What is the best way to verify the validity of a claim?

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The EM drive was mentioned a while back. This seemed to cause quite the ruckus amongst the science community. How does the EM drive "work", if at all, now that sufficient time for testing has passed?

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If you get flu-like symptoms from your booster/vaccination, does that mean you HAVEN'T had covid recently?

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Title	Upvotes	Mark as read	Favorited	Rating	Add to a list
Where does the energy from buoyancy come from? If a helium balloon "floats", where does it get the free gravitational potential energy from?	1
Are our immune systems less or more active when we are asleep?	1
Would it be possible for us to get a tiny camera up to relativistic speeds then send us back a video? What would be the logistics of this?	1
Why is cosmic inflation allowed to exceed the speed of light?	1
Why do garbage bins always smell the same?	1
What would a black hole look like if it didn't warp light?	1
If the only thing holding a particle from teleporting randomly back is the insanely low probability of it doing so, wouldn't that tell us the universe is finite, as if it wasn't particles would be appearing in our space constantly?	1
What is the best way to verify the validity of a claim?	1
The EM drive was mentioned a while back. This seemed to cause quite the ruckus amongst the science community. How does the EM drive "work", if at all, now that sufficient time for testing has passed?	1
If you get flu-like symptoms from your booster/vaccination, does that mean you HAVEN'T had covid recently?	1