askscience

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How do scientists know the ratio of Hydrogen to Helium in our sun? What happens to the Helium as it builds up within the core?	1
How long would I have to keep myself plugged into a wall to get the same amount of energy as I would from a typical day's worth of food?	1
Will computers ever be powerful enough to "solve chess?" Are there any fundamental physical barriers that will prevent us from creating a machine that could do so before the Earth ends?	1
If you took all the energy that the average person expends over a lifetime and used it for a bomb, how large would the explosion be?	1
AC is a better alternative than DC when transmitting power over long distances, but is their an ideal frequency for AC? In what ways our power lost in long transmission lines?	1
When I turn my flashlight on and photons come out and are perceived as light, how are those photons generated? Is there a field that gives photon their energy like the Higgs field gives mass to particles?	1
Regarding the recent typhoon, just how much energy does this storm contain? How much energy is being departed on a 6 foot 200 pound man standing in 235 mph winds? How much force against a wall of a house? Wow me askscience and eli5 just how powerful this storm was for me.	1
If light colors reflect light and darker colors absorb light, why are fair-skinned people more prone to sunburn? Shouldn't their skin reflect the radiation more than a dark-skinned person?	1
If I whispered something to someone in space, wouldn't they be able to hear it because of the gas I was expelling even through we were in a vacuum? How far could shout until they could no longer hear me?	1
How efficient is the human brain at computation compared to the theoretical maximum obtainable computation for a given size equivalent to the size of the human brain?	1

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