Kjell from Edmonton asks
Does light exert force?
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What would make it possible for a man to move through solid objects? Is it at least in theory...
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Does antimatter's gravity have the same properties ordinary matter?
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How long would a single molecule of a radioactive element last? If the half-life of U-235 reduces...
Benoît Mailhot asks
Are light and matter the same thing? Can you get matter from light?
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