/u/Memetic1's posts in /r/askscience

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How strong of a laser would you need to ablate off pieces of the Moon from the Earth, and get them free of the Moons gravity?

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Any idea what is going on with Dr. Mallet's time machine?

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What would happen to sound in a black hole?

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What is the escape velocity of the entire visible universe?

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Could you combine a ram jet with a plasma wakefield accelerator?

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Title	Upvotes	Mark as read	Favorited	Rating	Add to a list
How strong of a laser would you need to ablate off pieces of the Moon from the Earth, and get them free of the Moons gravity?	0
Any idea what is going on with Dr. Mallet's time machine?	0
What would happen to sound in a black hole?	0
What is the escape velocity of the entire visible universe?	0
Could you combine a ram jet with a plasma wakefield accelerator?	0