askscience

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I know its not going to be a problem for billions/trillions/quadrillions of years but what are our current plans on stopping the cold death of the universe or the heat death or the crunch? Do we actually have any plans for them or are they just good for science fiction right now?	1
Black Holes and their photon spheres. Wouldn't they eventually become a solid as any photos that get caught in that point never leave or if not a solid a solid wall of photons?	1
Black holes and their event horizons. The event horizon is the point that even light cannot escape. My question this, is there a horizon where something with a mass of 1kg cannot escape but something with a mass of say .9kg could is there a 1 kg event horizon?	1
We know global warming is happening we also know that its never going to stop because of the way humans are. But could we say put tens of thousands of huge air filtration facilities up that filter the CO2 out? It wouldnt fix the problem but couldnt it help?	1
What makes the brain decide that its has had enough sleep and that I wont feel tired?	1
Is it actually impossible to compress water? Or is it that it just take so much force that for the layman it is impossible to compress it?	1
In movies when someone is knocked out with a sedative injected from a syringe it always instantly knocks them out even if it was injected at the lower leg. But doesnt it need time to get to the brain to actually knock you out it should take at least 20-30 seconds right?	1
Herbivores like cows, chickens, goats, ect, take grains and grass and turn them into various proteins and why cant we emulate the process to make meat without killing the animals?	1
How come 50 degrees Fahrenheit inside feels absolutely frigid, but when its 50 degrees Fahrenheit outside I feel perfectly comfortable in a t-shirt and shorts?	1
Where does the energy for gravity come from?	1

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