this post was submitted on 19 Nov 2025
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History Memes

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[–] BarneyPiccolo@lemmy.today 10 points 2 weeks ago (16 children)

We only understand about 15% of the Universe, and we're probably wrong about much of that. For instance, we know dark matter is pervasive throughout the Universe, and we don't have the slightest idea of what it is.

Also, one of the leading theories of why we haven't met other intelligent alien cultures is because there is one major ancient, highly advanced race that is so devoted to being the only race on the Universe, that every time they find any evidence of another intelligent race, they travel there and extinguish them entirely.

It is already too late to save us. We have been beaming all sorts of electronic signals into the universe in every direction for decades, and sooner or later, it will reach THEM.

[–] PrimeMinisterKeyes@leminal.space 11 points 2 weeks ago (1 children)

I'm not an astronomer, but IIRC, our electronic signals don't make it particularly far out of the solar system until they merge with the background noise. So I guess we are safe for now.

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[–] Taleya@aussie.zone 10 points 2 weeks ago* (last edited 2 weeks ago)

Fun fact II: there was a period of earth's infancy where the seas were full of iron. Green in colour, mostly from volcanic activity.

Then up pop some photosynthetic bacteria who start farting out oxygen. The oceans start to rust. The rust falls to sediment and the farting contines. The ocean depletes of iron and the farting contines. The oxygen starts to fill up the sky and the farting continues. Some say it still goes on to this day. But what happened to the iron?

Well not uluru specifically but that's what Australia's distinctive colouration is. Ancient fart rusted sea iron

[–] krooklochurm@lemmy.ca 9 points 2 weeks ago (2 children)

I did a poop once. A very big one. It was a pivotal moment in the history of my ass.

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[–] 299792458c137@lemmy.sdf.org 8 points 2 weeks ago (1 children)

Most of school going humans are aware of the concept of force and motion.

We have vague ideas of the laws that govern them roughly 400 years after their discovery by Newton.

On the basis of that, one can form a rough estimate that it would take humans another 30-40 years to assimilate quantum mechanics and special relativity.

[–] masterspace@lemmy.ca 11 points 2 weeks ago (2 children)

No you can't, because Special Relatively and Quantum Mechanics are inherently more complicated and harder to learn.

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[–] ieatpwns@lemmy.world 8 points 2 weeks ago (1 children)

Cleopatra lived closer to the discovery of electricity than To the building of the pyramids

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