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

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Does a constant loud noise at frequencies of sound that you cannot hear still damage your ears/overall hearing?

2294 upvotes

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How does friction produce noise?

15 upvotes

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Does our perception of time differ when at a heart rate of 60 bpm versus 160 bpm?

1 upvotes

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Is there any medium in which light can be slowed and perceived by humans/high speed cameras as it travels?

1 upvotes

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Is there such a thing as a reverse flashlight?

1 upvotes

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Why does mixing yellow and green give you blue, and mixing blue and red give you purple?

1 upvotes

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Traffic on Google Maps, how does it work?

1 upvotes

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Title	Upvotes	Mark as read	Favorited	Rating	Add to a list
Does a constant loud noise at frequencies of sound that you cannot hear still damage your ears/overall hearing?	2294
How does friction produce noise?	15
Does our perception of time differ when at a heart rate of 60 bpm versus 160 bpm?	1
Is there any medium in which light can be slowed and perceived by humans/high speed cameras as it travels?	1
Is there such a thing as a reverse flashlight?	1
Why does mixing yellow and green give you blue, and mixing blue and red give you purple?	1
Traffic on Google Maps, how does it work?	1