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

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Since hydrogen and helium have sufficient bouyant force to float above the atmosphere, would a balloon filled with nothing, like all the air sucked out of it like a vacuum, also float or float higher than hydrogen and helium?

13 upvotes

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What is the estimated percent growth rate of self-driving cars being taken into the world/industries?

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So far all food that humans have eaten comes from preliving things, but would it be possible for humans to chemically make a 'food' with all the right digestable nutrients or energy using just chemicals or chemically changing nonliving matter to make it edible/nutritious?

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Why are explosions able to push back or burn other things according to physics and chemistry?

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Why hasn't a widely used method to break down cellulose into its glucose parts been developed yet, since plants (grass, leaves) are such a widely available yet untapped source of energy?

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If everything in the universe is made of atoms, and all atoms can be divided into the known elements on the PE, what element are photons made of?

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Title	Upvotes	Mark as read	Favorited	Rating	Add to a list
Since hydrogen and helium have sufficient bouyant force to float above the atmosphere, would a balloon filled with nothing, like all the air sucked out of it like a vacuum, also float or float higher than hydrogen and helium?	13
What is the estimated percent growth rate of self-driving cars being taken into the world/industries?	1
So far all food that humans have eaten comes from preliving things, but would it be possible for humans to chemically make a 'food' with all the right digestable nutrients or energy using just chemicals or chemically changing nonliving matter to make it edible/nutritious?	1
Why are explosions able to push back or burn other things according to physics and chemistry?	1
Why hasn't a widely used method to break down cellulose into its glucose parts been developed yet, since plants (grass, leaves) are such a widely available yet untapped source of energy?	1
If everything in the universe is made of atoms, and all atoms can be divided into the known elements on the PE, what element are photons made of?	0