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

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Why are the "I'm not a robot" captcha checkboxes separate from the actual action button? Why can't the button itself do the human detection?

4312 upvotes

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If a solid sheet of a metal were only an atom thick, would we be able to see through it?

3497 upvotes

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What are some of the most cleverly designed experiments in scientific history?

474 upvotes

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Are there animals that tend to, or protective of, their grandchildren?

72 upvotes

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Is it possible to get close enough to a galaxy so that it's bright for the human eye, yet far enough that you can see it's full shape?

35 upvotes

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Knowing the mass of a star, is there a maximum allowable distance of orbit?

20 upvotes

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My 4y/o told me her dream about losing teeth without ever knowing it's a common dream. Are there any other examples of cross-cultural phenomena that centers on a specific narrative?

13 upvotes

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Does a calculator use more energy to calculate large numbers than it does small ones?

10 upvotes

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Can a light intermittently blink on and off so quickly that we see it as always off?

10 upvotes

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Does the fact that devices can pick up radio/cellular signals while in motion mean that in any finite point in space, there are millions of waves passing through?

2 upvotes

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Title	Upvotes	Mark as read	Favorited	Rating	Add to a list
Why are the "I'm not a robot" captcha checkboxes separate from the actual action button? Why can't the button itself do the human detection?	4312
If a solid sheet of a metal were only an atom thick, would we be able to see through it?	3497
What are some of the most cleverly designed experiments in scientific history?	474
Are there animals that tend to, or protective of, their grandchildren?	72
Is it possible to get close enough to a galaxy so that it's bright for the human eye, yet far enough that you can see it's full shape?	35
Knowing the mass of a star, is there a maximum allowable distance of orbit?	20
My 4y/o told me her dream about losing teeth without ever knowing it's a common dream. Are there any other examples of cross-cultural phenomena that centers on a specific narrative?	13
Does a calculator use more energy to calculate large numbers than it does small ones?	10
Can a light intermittently blink on and off so quickly that we see it as always off?	10
Does the fact that devices can pick up radio/cellular signals while in motion mean that in any finite point in space, there are millions of waves passing through?	2