this post was submitted on 06 May 2024

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Science Memes

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419

Checkmate, science (lemmy.world)

submitted 1 year ago by [email protected] to c/[email protected]

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[–] [email protected] 7 points 1 year ago (1 children)

Cuz Newton invented conservation of energy /s

[–] [email protected] 5 points 1 year ago

Damn newton. He also invented gravity. Thats why we can't fly now!

[–] [email protected] 7 points 1 year ago

He knows too much

[–] [email protected] 6 points 1 year ago* (last edited 1 year ago)

For the same reason why this device does not go left by the metal slab pulling the magnet to the left

[–] [email protected] 6 points 1 year ago* (last edited 1 year ago) (1 children)

Mythbusters did a similar one using a fan and a sailboat. The boat moved. Backwards.

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[–] [email protected] 5 points 1 year ago

It will work fine of your intention is to secure the arm so that it won't dangle when you drive

[–] [email protected] 5 points 1 year ago (1 children)

Jim Knopf und Lukas der Lokomotivführer (Jim Button and Lukas the Engine Driver) dit it first:

[–] [email protected] 3 points 1 year ago (2 children)

They even got one step behound: The two rocks you see in the drawing are actually a broken up magnet into it's north pole and south pole, so it's only magnetic when they connect the both with a metal rod. Genius. (ofc that's EXACTLY how magnets work)

[–] [email protected] 4 points 1 year ago

There are magnetic monopoles, but only in quantum physics.

[–] [email protected] 2 points 1 year ago* (last edited 1 year ago)

I also find it funny how i got introduced to the troll physics meme 20 years before it was called that, as a small child back in the 90s

[–] [email protected] 4 points 1 year ago (1 children)

It's basically the same problem as the sailboat with a fan.

[–] [email protected] 2 points 1 year ago (4 children)

What are you trying to imply?

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[–] [email protected] 4 points 1 year ago

Obviously, because they don't want us to know this. Duh.

[–] [email protected] 4 points 1 year ago

I think that only works on steam trains

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