/u/_Sunny--'s posts in /r/askscience

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How much gravity would be required for a light beam shown tangentially on a spherical surface to completely circle around the sphere and end up at the starting point instead of flying outwards?

9 upvotes

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Why do certain things like gravity, electric force, and other intensities scale inversely to distance squared instead of cubed?

9 upvotes

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Where can you find a source of true unpolarized light in the universe?

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What's the most fundamental way we can define temperature?

8 upvotes

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Why do we want to care about Hilbert spaces beyond our own three dimensions?

8 upvotes

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Stars rely on their enormous gravitational pressure to start and sustain nuclear fusion. How can something as small as a bomb overcome the activation energy?

8 upvotes

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When and why would someone choose to use Lagrangian instead of Newtonian mechanics and math?

7 upvotes

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How does a ship turning create a region of flat water?

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Do blind people experience a circadian rhythm?

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Why doesn't the mantle of the Earth have a uniform temperature distribution? What allows hotspots to form?

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Title	Upvotes	Mark as read	Favorited	Rating	Add to a list
How much gravity would be required for a light beam shown tangentially on a spherical surface to completely circle around the sphere and end up at the starting point instead of flying outwards?	9
Why do certain things like gravity, electric force, and other intensities scale inversely to distance squared instead of cubed?	9
Where can you find a source of true unpolarized light in the universe?	9
What's the most fundamental way we can define temperature?	8
Why do we want to care about Hilbert spaces beyond our own three dimensions?	8
Stars rely on their enormous gravitational pressure to start and sustain nuclear fusion. How can something as small as a bomb overcome the activation energy?	8
When and why would someone choose to use Lagrangian instead of Newtonian mechanics and math?	7
How does a ship turning create a region of flat water?	7
Do blind people experience a circadian rhythm?	7
Why doesn't the mantle of the Earth have a uniform temperature distribution? What allows hotspots to form?	6