/u/LubbockGuy95's posts in /r/askscience
How does my body know when to wake up, minus outside stimulus (like alarms or sunlight)? Both in general and at specific times?
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What is time? If we only go forward in it what happens to the past? Does it change form? Is it fundamentally measurable? Does it actually exist as something? Can we quantify it? Is it limitless?
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Would it be possible to use quarks in a microscope in a similar way we use electrons in an electron microscope?
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