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

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How can a black hole have infinite mass at the singularity but finite gravitational pull?

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EM waves can be generated from a perturbation of an Electric field. Does this mean that an electron wizzing about in the electron cloud emits light?

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If the Earth's spin was not slanted, could it still be possible to create the seasons with a special orbit around the sun?

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How does time dilation affect reality?

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Why and/or how does water sometimes makes things sticky or sometimes makes things slippery?

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If nothing can exceed the speed of light, how can Stephen Hawking propose that particles can escape a small black hole? (more info inside)

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How can a neutrino travel at the speed of light if it has mass?

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Is a finitely sized being living in an infinite universe the same as an infinitesimally small being living in a finite universe the same thing?

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What is the history for Sine and Cosine?

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Why does a chain speed up when you twirl it around your finger?

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Title	Upvotes	Mark as read	Favorited	Rating	Add to a list
How can a black hole have infinite mass at the singularity but finite gravitational pull?	2
EM waves can be generated from a perturbation of an Electric field. Does this mean that an electron wizzing about in the electron cloud emits light?	2
If the Earth's spin was not slanted, could it still be possible to create the seasons with a special orbit around the sun?	1
How does time dilation affect reality?	1
Why and/or how does water sometimes makes things sticky or sometimes makes things slippery?	1
If nothing can exceed the speed of light, how can Stephen Hawking propose that particles can escape a small black hole? (more info inside)	1
How can a neutrino travel at the speed of light if it has mass?	1
Is a finitely sized being living in an infinite universe the same as an infinitesimally small being living in a finite universe the same thing?	1
What is the history for Sine and Cosine?	1
Why does a chain speed up when you twirl it around your finger?	0