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

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Does music in minor key sound sad/unsettling because of culture (I've grown up hearing minor key in sad/unsettling scenes in movies etc) or is it something inherent?

2902 upvotes

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Cooling a hot room with a fan and a window.

67 upvotes

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Using flint to make a spark, how does that work?

9 upvotes

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Why do things float? How does having a different density actually produce an imbalance of forces?

5 upvotes

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Can you really learn to lucid dream or is it something that just happens now and again? Has there been any research?

1 upvotes

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Why, when I flick my eyes across some electronic displays, do the colours separate? Is the light diffracting in my eye?

1 upvotes

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That sinus draining "trick" I see posted everywhere

1 upvotes

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If you were wearing 100m stilts and fell forward, how quickly would you hit the ground? (Assuming you pivot at the point the stilts touch the ground)

1 upvotes

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Babies forgetting to breath and melanin "birth marks"

1 upvotes

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Calorically, which movie monster does better? The zombie that eats all the brain or the vampire that drinks all the blood?

0 upvotes

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Title	Upvotes	Mark as read	Favorited	Rating	Add to a list
Does music in minor key sound sad/unsettling because of culture (I've grown up hearing minor key in sad/unsettling scenes in movies etc) or is it something inherent?	2902
Cooling a hot room with a fan and a window.	67
Using flint to make a spark, how does that work?	9
Why do things float? How does having a different density actually produce an imbalance of forces?	5
Can you really learn to lucid dream or is it something that just happens now and again? Has there been any research?	1
Why, when I flick my eyes across some electronic displays, do the colours separate? Is the light diffracting in my eye?	1
That sinus draining "trick" I see posted everywhere	1
If you were wearing 100m stilts and fell forward, how quickly would you hit the ground? (Assuming you pivot at the point the stilts touch the ground)	1
Babies forgetting to breath and melanin "birth marks"	1
Calorically, which movie monster does better? The zombie that eats all the brain or the vampire that drinks all the blood?	0