this post was submitted on 24 Nov 2024
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Science Memes

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top 26 comments
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[–] [email protected] 12 points 1 hour ago (1 children)

When I was young, my mother showed me an educational book that had things like riddles, puzzles, and mental exercises in it. One of these entries had a short, mundane paragraph, followed by some form of "what was wrong with that text?"

It then explained that I had missed the word "the" being on the end of one line but also the start of the next line which, indeed, I did miss. It suggested that the human mind couldn't see duplicate words split in such a way, at least in English, unless actively looking for them.

I now know that, while it did trick me, its theory was incorrect ... Because I can't not see "from from."

[–] [email protected] 1 points 17 minutes ago* (last edited 17 minutes ago) (1 children)

Perhaps you are the

the chosen one

[–] [email protected] 1 points 14 minutes ago

That seems likely.

[–] [email protected] 9 points 2 hours ago* (last edited 2 hours ago) (1 children)

Its almost like we arw tought these things cos they have practical use cases.

[–] [email protected] 6 points 1 hour ago (2 children)

Clearly you weren't paying attention in English.

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

I was always better at maths. And dr gpt has solved the english issue.

[–] [email protected] 2 points 1 hour ago
[–] [email protected] 5 points 2 hours ago

Yes, this is why we study physics.

[–] [email protected] 12 points 6 hours ago (1 children)

Looks like part of the tension system on a rope tow style ski lift.

[–] [email protected] 1 points 1 hour ago

Drag believes this is from an electric railway. The pulleys and weights keep the cable taut so the train can stay connected to it at high speeds.

[–] [email protected] 8 points 6 hours ago

Catenary is the magic word here

[–] [email protected] 54 points 10 hours ago (1 children)

My brother started working for company that makes these things and now he points every little detail on them.

"Look at this insulator" "Look these anchor points are made at factory I visited last week" ...

[–] [email protected] 17 points 7 hours ago

I would subscribe to his YouTube channel!

[–] [email protected] 37 points 10 hours ago (2 children)
[–] [email protected] 2 points 5 hours ago (1 children)

Yeah, memes following the format with top and bottom text very often have repeating word as a joke.

[–] [email protected] 5 points 3 hours ago (1 children)
[–] [email protected] 3 points 2 hours ago
[–] [email protected] 25 points 10 hours ago

double pulley, for added complexity

[–] [email protected] 13 points 10 hours ago (2 children)
[–] [email protected] 41 points 10 hours ago* (last edited 10 hours ago) (1 children)

Those are things that regulate the tension in the overhead cables on train tracks. With the variation of temperature cables tend to contract/expand and this systems allows the cables to do so freely with a constant tension provided by the weights.

[–] verstra 19 points 9 hours ago (2 children)

These are so simple and yet so clever. When i noticed them the first time i started noticing them everywhere (on all rail infrastructure).

[–] [email protected] 1 points 29 minutes ago

Is it simple? It looks quite complicated, but maybe that's just me forgetting how to compute forces.

[–] [email protected] 5 points 7 hours ago

I as well. Seattle transit, NEC Amtrak and NJ transit live off of these. If these systems work for them, they'll work for us all

[–] [email protected] 1 points 6 hours ago

The train duh

[–] [email protected] 5 points 10 hours ago

And the weights are like a bigger version of the weight-hangers from science classes.