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Cake day: September 8th, 2023

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  • Here’s a hint: if a mirror truly did not flip anything, then when you looked into a mirror you would see your back, and it also does not “rotate” you. So how can you see your front?

    spoiler

    A plane has a “normal” (a direction coming “out of the mirror”), and it basically flips things in that direction (front to back). It might help the understanding (and possibly the creepiness factor) to consider just the outer few atoms of your hair/skin that reflects light… and you are roughly seeing that, in the mirror in the same orientation that it actually is IRL if it were pushed into the mirror…








  • According to GPT-4.1:

    In 1959, Norway achieved a notable milestone by starting up its first nuclear reactor, the JEEP I (Joint Establishment Experimental Pile), located at Kjeller. This reactor was primarily used for research purposes, including early experiments with alternative nuclear fuels such as thorium. While JEEP I itself was not a thorium reactor per se, it laid the groundwork for subsequent Norwegian research into thorium as a nuclear fuel. This early phase demonstrated Norway’s scientific interest in thorium, leveraging its domestic thorium resources and contributing to later thorium reactor experiments.














  • xia@lemmy.sdf.orgto196@lemmy.blahaj.zoneHırdavat
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    10 days ago

    Wooden chairs may appear still, but science tells us that they move imperceptable amounts all the time at room temperature. It’s statistically unlikely that all the wooden chairs would suddenly lurch into a single chair-void, but the probability is non-zero.