/u/doominabox1's posts in /r/askscience

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If I had a laser and a pair of glasses, could I tell what the prescription is?

17 upvotes

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Is it possible to duplicate a RFID card?

11 upvotes

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Is it possible to duplicate a RFID card? (x-post from /r/nostupidquestions)

1 upvotes

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Would building a telestereoscope that is as wide as the USA result in depth perception of the stars?

1 upvotes

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If I had some heat shrink tubing with a hole pierced in it, would the hole get bigger or smaller during the heating process?

1 upvotes

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I know the speed of light is the same in all reference frames, but what would it look like to an observer that is traveling with one of two photons that are traveling parallel to each other?

1 upvotes

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Let's say you have a cube that is 1 meter cubed. Next to it you place a 1/2 meter cube. Then a 1/4 meter cube, and so on. Would the universe fill up with these cubes given infinite repetitions?

1 upvotes

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Why is the air in this cheeseball container cooler than room temperature?

1 upvotes

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How much is too much voltage for lightning wood burning?

1 upvotes

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A little while ago I saw a video of a demonstration of a hologram that was made in China. Is it real or not? (Link inside)

1 upvotes

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Title	Upvotes	Mark as read	Favorited	Rating	Add to a list
If I had a laser and a pair of glasses, could I tell what the prescription is?	17
Is it possible to duplicate a RFID card?	11
Is it possible to duplicate a RFID card? (x-post from /r/nostupidquestions)	1
Would building a telestereoscope that is as wide as the USA result in depth perception of the stars?	1
If I had some heat shrink tubing with a hole pierced in it, would the hole get bigger or smaller during the heating process?	1
I know the speed of light is the same in all reference frames, but what would it look like to an observer that is traveling with one of two photons that are traveling parallel to each other?	1
Let's say you have a cube that is 1 meter cubed. Next to it you place a 1/2 meter cube. Then a 1/4 meter cube, and so on. Would the universe fill up with these cubes given infinite repetitions?	1
Why is the air in this cheeseball container cooler than room temperature?	1
How much is too much voltage for lightning wood burning?	1
A little while ago I saw a video of a demonstration of a hologram that was made in China. Is it real or not? (Link inside)	1