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

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Why does leaving Earth require an "escape velocity" rather than an "escape force"? What happens that requires the rocket to be moving at a certain speed for a successful launch?

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[deleted by user]

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How did certain species evolving bright warning colours, but not the poison or venom to back it up, not totally nullify the ability of one or both groups to capitalize on the warning’s safety?

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Why can't capacitive styluses be made finer?

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If merely observing a phenomenon can alter it, and observation is just the act of a conscious being pointing certain sensory devices at a phenomenon, then does that imply that somehow the universe recognizes consciousness as we know it?

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Title	Upvotes	Mark as read	Favorited	Rating	Add to a list
Why does leaving Earth require an "escape velocity" rather than an "escape force"? What happens that requires the rocket to be moving at a certain speed for a successful launch?	1
[deleted by user]	1
How did certain species evolving bright warning colours, but not the poison or venom to back it up, not totally nullify the ability of one or both groups to capitalize on the warning’s safety?	1
Why can't capacitive styluses be made finer?	1
If merely observing a phenomenon can alter it, and observation is just the act of a conscious being pointing certain sensory devices at a phenomenon, then does that imply that somehow the universe recognizes consciousness as we know it?	1