/u/[deleted]'s posts in /r/askscience

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I have neurofibromatosis(1). I have read that 50% of people with nf1 get it from a parent. Where does the other 50% come from?

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If Graham's number is so large we can not imagine it then how can it be used for calculations?

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Why hasn't suffocation via helium or argon been used as a method of capital punishment?

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Is there a scientific explanation for people with high libidos and low libidos?

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When the last star burns out, what energy source may future lifeforms live off of and how long will that energy source last?

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How can a tiny, low-power cell phone send a text through a signal that can be heard from miles to a tower that can send it to the recipient who could be almost anywhere in a matter of seconds?

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The human range of vision is 400-700 nm. How much does this vary? Are there people that can see at 375 or 750 nm?

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If a black hole is comprised of ferromagnetic material, would it be attracted to magnets?

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If sound waves can be cancelled out, leading to silence, can the same happen for light waves? i.e. Could two lights of the same amplitude but with inverted phase lead to no light?

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Has the moon changed since the time of Galileo?

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Title	Upvotes	Mark as read	Favorited	Rating	Add to a list
I have neurofibromatosis(1). I have read that 50% of people with nf1 get it from a parent. Where does the other 50% come from?	16
If Graham's number is so large we can not imagine it then how can it be used for calculations?	16
Why hasn't suffocation via helium or argon been used as a method of capital punishment?	16
Is there a scientific explanation for people with high libidos and low libidos?	16
When the last star burns out, what energy source may future lifeforms live off of and how long will that energy source last?	16
How can a tiny, low-power cell phone send a text through a signal that can be heard from miles to a tower that can send it to the recipient who could be almost anywhere in a matter of seconds?	16
The human range of vision is 400-700 nm. How much does this vary? Are there people that can see at 375 or 750 nm?	16
If a black hole is comprised of ferromagnetic material, would it be attracted to magnets?	16
If sound waves can be cancelled out, leading to silence, can the same happen for light waves? i.e. Could two lights of the same amplitude but with inverted phase lead to no light?	16
Has the moon changed since the time of Galileo?	16