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My Answered Questions
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How does a LED light work, how can it give out light when you give it electricity?
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how does a screen/display work? how does touch screen work?
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what is a black hole and why is it formed?
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what is plasma?? i don’t get it, how can it be in the blood??
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What is the speed of light?
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Does all colour of light travel at the same speed?
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How many seconds or minutes will it take a light to go from earth to Neptune?
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By when will humans discover a machine which will travel at the speed of light?
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If there is 3 meter cubed of gas how much meter cubed of oxygen, nitrogen and helium are there?
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how does a battery work