918
I must con(FeS₂), this sparked a laugh (thelemmy.club)
submitted 3 months ago by to c/science_memes@mander.xyz
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[–] 92 points 3 months ago (45 children)

I can’t quite get over the fact that the premise is false

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  • [–] 74 points 3 months ago (41 children)

    no science teacher would ever say that.

    Light travels in a straight line, plenty of crystals, linear erosion, many trees evolved to be as straight as possible...

    and to be esoteric, every object path, even when gravity affects them (they travel in a perfectly straight line, but it is spacetime that is curved).

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  • [+] 36 points 3 months ago* (last edited 1 month ago) (25 children)
    [deleted]
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  • [–] 28 points 3 months ago (10 children)

    they do tavel in a perfectly straight line though.

    space time is curved, not the light path.

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  • [–] 1 point 3 months ago (3 children)

    What about the fact that light bends around corners? Notably the interference pattern when shining light through a slit?

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  • [–] 2 points 3 months ago (2 children)

    Stop being mean to light by making it choose what slits to go through.

    it has choice anxiety.

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  • [–] -1 points 3 months ago* (last edited 3 months ago) (5 children)

    I don’t think that’s right because they are affected by gravity, even if ever so slightly

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  • [–] 24 points 3 months ago (2 children)

    But isn't the gravity bending the space, so the light itself is travelling straight but seems curved to the observer?

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  • [–] 4 points 3 months ago (1 child)

    Hmm, I’m not actually sure. Are we also ignoring refraction and reflection because the path is straight between those? If we’re talking discrete photons, you may be correct about each segment in its path being perfectly straight, but I’m not a theoretical physicist.

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  • [–] 12 points 3 months ago* (1 child)

    gravity isn't a force, it's the curvature of space-time itself.

    light follows a perfectly straight line through vacuum. the space itself isn't straight.

    like drawing a straight line on a flat paper, if you roll the paper, that line is still straight within it's medium.

    Newtonian gravity has been replaced by General relativity, and has been proven to be the correct model (at least more correct than Newtonian gravity).

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  • [–] 3 points 3 months ago (9 children)

    It travels in a straight line, just not in every dimension. Look at a waveform from above, it's a straight line.

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  • [–] 3 points 3 months ago (3 children)

    Uh...

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  • [–] 2 points 3 months ago (2 children)

    Oh sure, bring evidence into it 🙄 lol. Um, how about sound waves?

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  • [–] 6 points 3 months ago (11 children)

    We can say that spatially, the summation of the photons movement is linear, but everything in the universe is waves and curves and we all know that to be true

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  • [–] -1 points 3 months ago (10 children)

    if by straight you mean a perfect eucledian line, then there's no such thing as a perfect line in nature or reality.

    as that might violate the Eisenberg Uncertainty principle. because if I know two points position or or if I know the direction and one point I'll know the position and direction of every point.

    but then that's too esoteric.

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  • [–] 3 points 3 months ago (6 children)

    You are clearly full of shit and have no idea what you're talking about, and your flip-flopping between positions

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  • [–] -2 points 3 months ago (5 children)

    it's a meme channel, it's a stupid question, you get stupid answers.

    I'm not putting my name in a paper saying definitely of straight exist in nature.

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  • [–] -1 points 3 months ago (2 children)

    Counterpoint: shut the fuck up

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  • [–] 6 points 3 months ago (2 children)

    I work in public education. That's a pretty innocuous statement compared to some of the shit I've heard. Some teachers get so complacent in their lessons that they forget to apply it in their critical-thinking. Then, they have some crazy logical lapse, say something ridiculous out loud, and then some other kid from that class repeats that same shit to their own students when they grow up. These are mistakes that could easily be rectified with an apology or deliberate correction, but teachers are pushed so hard to prioritize being an authority figure that they sometimes forget to just be a teacher.

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  • [–] 4 points 3 months ago

    It's useful as a navigational aid, if you're lost in the woods keeping an eye open for straight lines, especially horizontal, is a good way of finding man made structures and potentially a way out. Beyond that, on a micro scale nature loves perfect geometry.

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