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

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Solar sails accelerate an object as it moves away from the sun, so does that mean that they decelerate an object as it approaches the sun?

11 upvotes

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Why hasn't the US embraced vertical farming on a large scale?

2 upvotes

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If it's 40°C in a closed room, why does standing in front of a fan still cool you down?

1 upvotes

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How long would it take to travel 4.25 light years using the various existing and theoretical space engines?

1 upvotes

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Is charging a battery with electricity like filling a jug with water?

1 upvotes

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Title	Upvotes	Mark as read	Favorited	Rating	Add to a list
Solar sails accelerate an object as it moves away from the sun, so does that mean that they decelerate an object as it approaches the sun?	11
Why hasn't the US embraced vertical farming on a large scale?	2
If it's 40°C in a closed room, why does standing in front of a fan still cool you down?	1
How long would it take to travel 4.25 light years using the various existing and theoretical space engines?	1
Is charging a battery with electricity like filling a jug with water?	1