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On 17 May 1902, Greek archaeologist Valerios Stais sifted through some artifacts from a shipwreck at Antikythera.

A 2,000-year-old corroded chunk of metal turned out to be part of the Antikythera Mechanism, an ancient analog astronomical computer.

Image by Logg Tand

🔭 🧪 #HistSci #Science

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I used this view decades ago (now taken from Google Earth) to argue that full-globe Cassini imaging coverage of Saturn's moons was imperative. We won!

Hemispheric dichotomies are common across the solar system. If you flew closely over this hemisphere 👇, you'd never know Earth had continents.

🧪🔭📰

The King in Yellow requests your presence in His Court.

(Now available in print at Amazon.)

#KingInYellow #WeirdFictionQuarterly #FlashFiction #WeirdFlash

Get to know the new Fossil Lab in Chicago's Washington Park.

#Chicago #WashingtonPark #UChicago

OK, this is wild.

In September 2023, geophysicists across the world started monitoring a very odd signal coming from the ground under them.

It was picked up in the Arctic. And Antarctica. It was detected everywhere, every 90 seconds, as regular as a metronome, for *nine days*.

What the HELL?

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