this post was submitted on 14 Apr 2025
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[–] datavoid@lemmy.ml 23 points 6 days ago (14 children)

My favourite one was that the earth is 6000 years old

[–] Estebiu@lemmy.dbzer0.com 12 points 6 days ago

Where did you go to school? Everybody knows its 2025 years old.

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[–] rabber@lemmy.ca 18 points 5 days ago (12 children)

My sysadmin professor told me to not learn about tape backups because they are going away soon

Like 3 years later ransomware was invented

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[–] geneva_convenience@lemmy.ml 15 points 5 days ago* (last edited 5 days ago)

Supersize me was fake and tonsils are not a useless byproduct of evolution.

[–] Gerudo@lemm.ee 24 points 6 days ago

Going to college was guaranteed success in life.

[–] AlligatorBlizzard@sh.itjust.works 21 points 6 days ago (1 children)

The appendix is a vestigial organ that doesn't actually do anything in humans. (It might still fit the definition of vestigial, but it's far from useless and we keep learning more about how valuable gut health is.)

[–] Kongar@lemmy.dbzer0.com 9 points 6 days ago

My appendix came damn close to killing me. I vote β€œnot valuable”. :)

[–] Horsey@lemmy.world 6 points 4 days ago* (last edited 4 days ago)

By the time I was in school the Bohr model was already proven inaccurate, but was taught anyway because the orbital model is too esoteric for teenagers πŸ™„.

[–] njm1314@lemmy.world 3 points 4 days ago (1 children)

Hear about pluto? Pretty messed up huh?

[–] jongosi@feddit.nl 2 points 4 days ago

You know that's right!

[–] frozenspinach@lemmy.ml 4 points 4 days ago (1 children)

I had a substitute teacher who saw the Swift Boat Veterans For Truth ads against John Kerry and repeated it to the class like it was 100% fact.

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[–] arsCynic@beehaw.org 5 points 4 days ago

That adults are mature and know what they are doing.

-β€―-
✍︎ arscyni.cc: modernity ∝ nature.

[–] Dirk@lemmy.ml 20 points 6 days ago (2 children)
[–] helix@feddit.org 14 points 6 days ago (4 children)

Did they finally find that out? Last time I checked even PhDs in aerospace engineering still added "we think" at the end of their explanations.

NASA has a webpage on aeronautics that says lift is the mechanical force created by a solid object turning a flow of liquid or gas. They also have an equation for calculating lift for any solid object/fluid combo.

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[–] nibbler@discuss.tchncs.de 3 points 4 days ago

I was taught that Pluto is a planet. How could they have been so wrong???

[–] invertedspear@lemm.ee 5 points 4 days ago

The moon was spun out of the same stuff as the earth. That was fact in the early years of my education. A few years later there were multiple theories: co development, captured a wandering planetoid, the Thea impact, and a fourth one I can’t remember but I think it was something dumb like planetary mitosis. By the time I graduated the Thea impact was considered the only viable theory.

[–] Structure7528@lemm.ee 11 points 5 days ago (1 children)

In my college Econ 101 class I was taught that "economic liberalism" would lead to political liberalism. I knew that was a myth back then, but my professors insisted. Twenty years later we've got economic nationalism and political fascism taking over everywhere.

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[–] lichtmetzger@discuss.tchncs.de 12 points 6 days ago* (last edited 6 days ago)

"This is the best time of your life, it will never be as easy."
I wasted more time at school than at work and I didn't have Fridays off, so that was a lie.

[–] BCsven@lemmy.ca 10 points 5 days ago

Gravity Waves didn't exist according to my highschool science teacher

[–] JeremyHuntQW12@lemmy.world 8 points 5 days ago* (last edited 5 days ago) (2 children)

There are 10 Commandments.

No - there's 14.

And most of them also have sub-commandments, just to confuse it further.

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