/u/ob103ninja's posts in /r/askscience

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If every action has an equal and opposite reaction, would a space elevator eventually be pulled out of place?

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Why do people (nearly) always cough twice?

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Would a strong electromagnet work as a means of shielding spacecraft from radiation?

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Since time and space supposedly switch roles inside of a black hole's event horizon, would it still be correct to call the area inside the event horizon 'space-time'? Or would it need a new name?

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If a microwave can sustain a ball of plasma from a candle, can a MASER be used to channel a plasma beam?

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If all the mass of the observable universe were collected into a single point and allowed to collapse into a black hole, how big would the event horizon be?

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Title	Upvotes	Mark as read	Favorited	Rating	Add to a list
If every action has an equal and opposite reaction, would a space elevator eventually be pulled out of place?	1
Why do people (nearly) always cough twice?	1
Would a strong electromagnet work as a means of shielding spacecraft from radiation?	1
Since time and space supposedly switch roles inside of a black hole's event horizon, would it still be correct to call the area inside the event horizon 'space-time'? Or would it need a new name?	1
If a microwave can sustain a ball of plasma from a candle, can a MASER be used to channel a plasma beam?	1
If all the mass of the observable universe were collected into a single point and allowed to collapse into a black hole, how big would the event horizon be?	1