Engineers tell us flow describes how fluids or
gases behave in relationship to their environment. Flow can be smooth or
turbulent. But when it’s turbulent, scientists are baffled about what in the
world’s going on. Then again, flow can be a transcendent feeling. It can lift
you out of time, make you feel one with the universe.

Thought-provoking science stories.
No-brainer intro price.
Thought-provoking science stories.
No-brainer intro price.
The full Nautilus archive • eBooks & Special Editions • Ad-free reading
- The full Nautilus archive
- eBooks & Special Editions
- Ad-free reading

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Celebrating the Relationship Between Science and Illustration
A conversation with Society of Illustrators executive director Arabelle Liepold -
The Extraordinary, Imperiled Science at the End of the Earth
Firing experts in Antarctica couldn’t come at a worse time -
Breaking a Cycle of Apocalypse
John Larison’s new novel The Ancients suggests some societies are built for cataclysm -
An Earthy Fallen Star
The strange mushroom that puffs life into forests around the world. -
Inside an Exploded Star
Cassiopeia A gets a close-up.