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

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If I pick up my coffee right after I stir it, so that it's still swirling around, will there be a gyroscopic effect making me less likely to spill it?

3404 upvotes

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What is it exactly that limits the size of mirrors we can construct for telescopes?

11 upvotes

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What's the smallest possible number of fundamental units, and what would they be?

7 upvotes

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Is it theoretically possible to measure the superposition of a particle without disturbing it?

5 upvotes

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Is there a distinction between 3+1 spacetime and 1+3 spacetime?

2 upvotes

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How do we know that, if it exists, the graviton must have spin 2?

1 upvotes

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Could the effects we attribute to dark matter be caused by gravitationally repulsive particles?

1 upvotes

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If a non-cost-prohibitive room temperature superconductor were discovered tomorrow, how would it be in use three months from now? A year? Five years?

1 upvotes

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Let's say the JWST has a critical launch failure and is completely destroyed. How much time and money would it take to produce another one?

1 upvotes

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Why do we use G and never a constant equal to 1/4πG, unlike how we often use the electric constant instead of Coulomb's constant?

1 upvotes

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Title	Upvotes	Mark as read	Favorited	Rating	Add to a list
If I pick up my coffee right after I stir it, so that it's still swirling around, will there be a gyroscopic effect making me less likely to spill it?	3404
What is it exactly that limits the size of mirrors we can construct for telescopes?	11
What's the smallest possible number of fundamental units, and what would they be?	7
Is it theoretically possible to measure the superposition of a particle without disturbing it?	5
Is there a distinction between 3+1 spacetime and 1+3 spacetime?	2
How do we know that, if it exists, the graviton must have spin 2?	1
Could the effects we attribute to dark matter be caused by gravitationally repulsive particles?	1
If a non-cost-prohibitive room temperature superconductor were discovered tomorrow, how would it be in use three months from now? A year? Five years?	1
Let's say the JWST has a critical launch failure and is completely destroyed. How much time and money would it take to produce another one?	1
Why do we use G and never a constant equal to 1/4πG, unlike how we often use the electric constant instead of Coulomb's constant?	1