askscience

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Ethiopia is building the largest hydroelectric power plant in Africa, Egypt opposes the dam which it believes will reduce the amount of water that it gets, Ethiopia asserts that the dam will in fact increase water flow to Egypt by reducing evaporation on Egypt's Lake Nasser, How so?	20287
Sometimes websites deny a password change because the new password is "similar" to the old one, How do they know that, if all they got is a hash that should be completely different if even 1 character was changed?	9154
If I'm phoning an alien in another galaxy, whose relative position is unknown, is it possible to tell them what we mean by left and right just by talking?	686
Why is it better for Lithium-ion batteries to be charged after a partial discharge and not a full discharge, unlike the Nickel-based batteries, which had a memory-effect that caused them to hold less charge if they got charged repeatedly after being only partially discharged not fully discharged?	68
How is "Quantum Decoherence" not considered to cause actual wave function collapse, and is only viewed as an explanation for the observation of wave function collapse?	19
What are the implications of the Quantum Delayed Choice Experiment?	6
What does the orbit of Mercury have to do with Einstein's Theory of General Relativity?	5
Can a planet like Earth be gravitationally locked to the sun, like the Moon is to Earth?	1
Why is it better for Li-Ion batteries' longevity to be charged only up to 80% and not 100%? And why don't smartphones manufacturers make the 80% mark as the new 100% if so?	1
Is it possible for the body to reabsorb water from the bladder and use it as sweat when the body overheats?	1

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