The celestial maps of Su Song, Chinese polymath of the Song dynasty, the oldest known star charts in existence, dating from 1092 AD.
How the Chinese and the Greeks viewed (pretty much) the same sky.
It’s pretty remarkable how differently two cultures can connect the same dots, don’t you think?
(maps via radical cartography)
A fourth century Chinese poem, written as an array of 841 characters, whose four seven-character lines can be read forwards, backwards, up, down, or diagonally. There’s 2,848 possible poems there.
(via Futility Closet)
I'm Joe Hanson, a Ph.D. biologist and science writer based in Austin, TX. I'm the creator/host/writer of PBS Digital Studios' It's Okay To Be Smart. Subscribe on YouTube by clicking below:
"Everyone's favorite Feynman of the Tumblr era" - Maria Popova
Joe's science book recommendations, from brains to biology to space to art to physics.
Want more great sciencey goodness? Check out my favorite science links.
This is an indie blog that takes many hours a week to publish. If you'd like to support It's Okay To Be Smart, please consider even a small donation.
Or click here to shop on Amazon, and support IOTBS at the same time.