There are more lectures by him, hereby recommended.
A tablet full of sins...![]()
Mathematical mystery of ancient Babylonian clay tablet solved
UNSW Sydney scientists have discovered the purpose of a famous 3700-year old Babylonian clay tablet, revealing it is the world's oldest and most accurate trigonometric table, possibly used by ancient mathematical scribes to calculate how to construct palaces and temples and build canals.phys.org
pibbuR who ain't sure what to think about this coming from down under (unless we're talking about Canada).
While interesting isn't that old news and not new news ?January 1. 1801, the Italian priest and astronomer Giuseppe Piazzi discovered Ceres.
Ceres is a dwarf planet in the astroide belt between Mars and Jupiter, on the average 410 million km from the sun. Average diameter is 940 km, approximately 25% of the moon. It's mass is 1.3% of the mass of said satellite. In other words, a tiny, tiny object, not visible from the earth without a telescope. Below is a picture taken by the Dawn space probe in 2015.
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Something between Mars and Jupiter was hinted by the Titus-Bode law, which had previously also predicted the existence of a planet (Neptune) beyond Uranus. Piazzi first saw it on this very date, and followed it for nearly a month. Since it clearly moved, it was evident that it wasn't a fixed star. For some reason he originally published it as a comet, but actually assumed it was in deed a planet. Initially it was difficult to predict it's trajectory as it soon disappeared beyond the sun. But then Carl Friedrich Gauss (at the age of 24) developed a better model, allowing astronomers to find it again.
You can read more about Ceres and it's discovery here: https://en.wikipedia.org/wiki/Ceres_(dwarf_planet)
Once gain I'm really impressed by what they were able to discover back then, this time more than 200 years ago, with the primitive facilities available. No photography - they had to draw what they saw.
pibbuR who now wants to buy a telescope in order to find and name the yet hypothetical planet 9.
You're right. Perhaps I should have posted it in the things you don't need to know, or might like to now thread.While interesting isn't that old news and not new news ?
You also have to realize that 225 years ago they had more time to discover stuff like this after all they didn't waste time on computers and watching tvYou're right. Perhaps I should have posted it in the things you don't need to know, or might like to now thread.
I guess that's why I initially misread the quote as "We've just hit a 'critical infection point'".![]()
Quantum computers that are actually useful 1 step closer thanks to new silicon processor
We've just hit a 'critical inflection point' on the road to scalable quantum computers. Here's why.www.livescience.com
A small step closer to Skynet.![]()