Turns out part of the fallout from last week's attack on FYFD was that scheduled posts failed to go out. Thanks to @katherine-adler.bsky.social for bringing my attention to the problem! Lots of new material up now: fyfluiddynamics.com
FYFD
Celebrating the physics of all that flows
fyfluiddynamics.com
September 29, 2026 at 12:48 PM
Turns out part of the fallout from last week's attack on FYFD was that scheduled posts failed to go out. Thanks to @katherine-adler.bsky.social for bringing my attention to the problem! Lots of new material up now: fyfluiddynamics.com
That looks awesome! And I love Acadia. Would you be okay with me possibly writing an FYFD post with this image?
September 29, 2026 at 11:34 AM
That looks awesome! And I love Acadia. Would you be okay with me possibly writing an FYFD post with this image?
WordPress informs me that I've published 4,200 posts on FYFD. That's... a lot of #fluiddynamics. #writinglife
September 22, 2026 at 1:35 PM
WordPress informs me that I've published 4,200 posts on FYFD. That's... a lot of #fluiddynamics. #writinglife
FYFD seems to be under attack, which Cloudflare is mitigating for the moment. If you're a human, you should be able to access the site now.
If you're a bot, kindly fuck off.
If you're a bot, kindly fuck off.
September 21, 2026 at 3:40 PM
FYFD seems to be under attack, which Cloudflare is mitigating for the moment. If you're a human, you should be able to access the site now.
If you're a bot, kindly fuck off.
If you're a bot, kindly fuck off.
Having massive issues with FYFD web hosting this morning. Consider this a notice that I'm aware of the issue and trying to work with my hosting service to solve it. Fingers crossed that we'll get it back soon!
September 21, 2026 at 1:56 PM
Having massive issues with FYFD web hosting this morning. Consider this a notice that I'm aware of the issue and trying to work with my hosting service to solve it. Fingers crossed that we'll get it back soon!
July 30, 2026 at 7:19 AM
Wife is at hairdresser's getting hair done.
So I am left to my own devices to grab lunch.
I grabbed 3 bread rolls and a huge hunk of Velveeta cheese.
I can hear my European friends now.
'That's NOT cheese!'
Time for 'Ukraine is Winning and Russia is Losing' video.
www.youtube.com/watch?v=fyfD...
So I am left to my own devices to grab lunch.
I grabbed 3 bread rolls and a huge hunk of Velveeta cheese.
I can hear my European friends now.
'That's NOT cheese!'
Time for 'Ukraine is Winning and Russia is Losing' video.
www.youtube.com/watch?v=fyfD...
Update from Ukranie | Great! Russians Admit Retreat near Komar | Big Challenge for Commander Drapaty
YouTube video by Denys Davydov
www.youtube.com
July 29, 2026 at 4:55 PM
Wife is at hairdresser's getting hair done.
So I am left to my own devices to grab lunch.
I grabbed 3 bread rolls and a huge hunk of Velveeta cheese.
I can hear my European friends now.
'That's NOT cheese!'
Time for 'Ukraine is Winning and Russia is Losing' video.
www.youtube.com/watch?v=fyfD...
So I am left to my own devices to grab lunch.
I grabbed 3 bread rolls and a huge hunk of Velveeta cheese.
I can hear my European friends now.
'That's NOT cheese!'
Time for 'Ukraine is Winning and Russia is Losing' video.
www.youtube.com/watch?v=fyfD...
Update from Ukranie | Great! Russians Admit Retreat near Komar | Big Challenge for Commander Drapaty
by Denys Davydov
Even Russian maps are now showing that they're being pushed back
#FuckYouPutin
www.youtube.com/watch?v=fyfD...
by Denys Davydov
Even Russian maps are now showing that they're being pushed back
#FuckYouPutin
www.youtube.com/watch?v=fyfD...
Update from Ukranie | Great! Russians Admit Retreat near Komar | Big Challenge for Commander Drapaty
YouTube video by Denys Davydov
www.youtube.com
July 29, 2026 at 10:40 AM
Update from Ukranie | Great! Russians Admit Retreat near Komar | Big Challenge for Commander Drapaty
by Denys Davydov
Even Russian maps are now showing that they're being pushed back
#FuckYouPutin
www.youtube.com/watch?v=fyfD...
by Denys Davydov
Even Russian maps are now showing that they're being pushed back
#FuckYouPutin
www.youtube.com/watch?v=fyfD...
@denysdavydov.bsky.social
Update from Ukranie | Great! Russians Admit Retreat near Komar | Big Challenge for Commander Drapaty
#UkraineWar
www.youtube.com/watch?v=fyfD...
Update from Ukranie | Great! Russians Admit Retreat near Komar | Big Challenge for Commander Drapaty
#UkraineWar
www.youtube.com/watch?v=fyfD...
Update from Ukranie | Great! Russians Admit Retreat near Komar | Big Challenge for Commander Drapaty
YouTube video by Denys Davydov
www.youtube.com
July 29, 2026 at 6:19 AM
@denysdavydov.bsky.social
Update from Ukranie | Great! Russians Admit Retreat near Komar | Big Challenge for Commander Drapaty
#UkraineWar
www.youtube.com/watch?v=fyfD...
Update from Ukranie | Great! Russians Admit Retreat near Komar | Big Challenge for Commander Drapaty
#UkraineWar
www.youtube.com/watch?v=fyfD...
Feed: "FYFD"
By: Nicole Sharp on Tuesday, July 21, 2026
By: Nicole Sharp on Tuesday, July 21, 2026
Where Waves Carry Plastics
The classic theory of steady wave motion predicts a phenomenon called Stokes drift, in which particles spread horizontally in the direction of wave travel. That
fyfluiddynamics.com
July 21, 2026 at 7:43 PM
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By: Nicole Sharp on Tuesday, July 21, 2026
By: Nicole Sharp on Tuesday, July 21, 2026
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By: Nicole Sharp on Monday, July 20, 2026
By: Nicole Sharp on Monday, July 20, 2026
Making Quieter Shock Waves
NASA's X-59 aircraft is intended to demonstrate supersonic flight without the boom. Although it's broken into supersonic speeds, we haven't yet heard its "sonic
fyfluiddynamics.com
July 20, 2026 at 7:19 PM
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By: Nicole Sharp on Monday, July 20, 2026
By: Nicole Sharp on Monday, July 20, 2026
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By: Nicole Sharp on Tuesday, July 14, 2026
By: Nicole Sharp on Tuesday, July 14, 2026
Droplets Can Climb Sugar Fibers
In nature, droplets and fibers can meet on a spider's web, on fur, or on a dew-gathering cactus. Here, researchers explore what happens when the droplet can dis
fyfluiddynamics.com
July 15, 2026 at 6:19 AM
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By: Nicole Sharp on Tuesday, July 14, 2026
By: Nicole Sharp on Tuesday, July 14, 2026
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By: Nicole Sharp on Monday, July 13, 2026
By: Nicole Sharp on Monday, July 13, 2026
Inside the LA Aquaduct
In the early twentieth century, Los Angeles had capital and political willpower, but not water. So it built an engineering marvel, the LA Aquaduct, to guide wat
fyfluiddynamics.com
July 14, 2026 at 5:00 AM
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By: Nicole Sharp on Monday, July 13, 2026
By: Nicole Sharp on Monday, July 13, 2026
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By: Nicole Sharp on Friday, July 10, 2026
By: Nicole Sharp on Friday, July 10, 2026
“Tadpoles: The Big Little Migration”
Amphibians like toads are often indicator species for their ecosystem because they are vulnerable to changes on both land and water. In this short film, videogr
fyfluiddynamics.com
July 10, 2026 at 5:16 PM
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By: Nicole Sharp on Friday, July 10, 2026
By: Nicole Sharp on Friday, July 10, 2026
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By: Nicole Sharp on Thursday, July 9, 2026
By: Nicole Sharp on Thursday, July 9, 2026
Burning Oil Spills With Fire Whirls
Though they are relatively infrequent, large marine oil spills, like 2010's Deepwater Horizon, are devastating and incredibly difficult to clean up. In many loc
fyfluiddynamics.com
July 9, 2026 at 5:02 PM
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By: Nicole Sharp on Thursday, July 9, 2026
By: Nicole Sharp on Thursday, July 9, 2026
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By: Nicole Sharp on Monday, July 6, 2026
By: Nicole Sharp on Monday, July 6, 2026
Swirls Above the Southern Ocean
In the Southern Ocean, obstacles are sparse. But the ice-cloaked volcano of Peter I Island is tall enough at over 1600 meters to disrupt the wind. At steady win
fyfluiddynamics.com
July 6, 2026 at 3:08 PM
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By: Nicole Sharp on Monday, July 6, 2026
By: Nicole Sharp on Monday, July 6, 2026
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By: Nicole Sharp on Friday, July 3, 2026
By: Nicole Sharp on Friday, July 3, 2026
“Self-pollination in a flower of thymeleaf speedwell (Veronica serpyllifolia)”
Though we rarely notice their movement in the moment, plants, and especially their flowers, are frequently on the move. Here, retired engineer Jay McClellan cap
fyfluiddynamics.com
July 4, 2026 at 3:34 AM
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By: Nicole Sharp on Friday, July 3, 2026
By: Nicole Sharp on Friday, July 3, 2026