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Should've banned it all the way through high school, but it's better than most. (thelemmy.club)
submitted 5 days ago by to c/fuck_ai@lemmy.world
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[–] 15 points 4 days ago (2 children)

I don't get it.
Weren't schools telling children to "comply", just a few weeks ago?

I still remember having marks deducted in junior school for answering that the light does not turn on instantly after switching the button on.

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  • [–] 3 points 3 days ago (1 child)

    the American education system in a nutshell.

    that's why I tell my kids, learn as much as you can, try your best, but don't get upset about a poor test grade here or there. You can learn anything you want, you just have to be willing to put in the effort.

    the only useful thing I learned in the American education system is that you can't rely on it to educate, as it's designed to generate. Generate workers, voters, debt mules, pawns.

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  • [–] 0 points 3 days ago

    Now that I think about it, it might have used "instantaneous", so my fault would have been just that I didn't know the difference vs "instant" :P.

    But then again, that would partially be the teacher's fault for not pointing that out when I raised that question in class.

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  • [–] 1 point 3 days ago* (1 child)

    Many junior high teachers aren't often the most knowledgable about science details. (How long it takes a light to turn on depends on how it's made. But none of them become visible 'instantly'. ) What (s)he (sh/c)ould have done is have you defend yourself with a reference. And then apologize.

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  • [–] 0 points 3 days ago (1 child)

    That was the year when we were taught of the speed of light and the specific question might have been at the end of the same chapter in the text book.
    Somehow I had a vague feeling that the effect of turning on the switch should not reach the light instantly.

    It was much later, that I found out how it was related to the absolute speed of information that is available in current theory.
    Note, that I hadn't used the internet as much back then and it was much later, that I started diving into Wikipedia.

    On the other hand, teachers are supposed to be university graduates themselves, so considering that I had the answer to that question by 12th, I would expect the teacher to at least be able to correctly answer that.

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  • [–] 1 point 1 day ago

    Even if the switch 'instantly' completed the circuit, electricity does not move along a wire at the 'speed of light', but only about 66% of that speed. If the light contains a filament, it has to heat up to several hundres of degrees before it's visible. Fluorescent takes longer; even an LED does not shed light 'instantly'. So he was wrong on multiple counts. BUT they don't teach such details in college (except in physics classes). AFAIK,most junior high 'science' teachers are not all that familiar with such details.

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