Alex Sweeney
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alexjs.dev
Alex Sweeney
@alexjs.dev
Math, cosmology, biology, geology, photography enthusiast and software engineer. They/them

I'm not going to argue with you.
This article seems pretty sloppy. Pseudorandom number generators on modern computers are way more random than humans. That ability can be trivially extended to shuffling a deck.

Human shufflers are the ones that are constrained.
September 5, 2025 at 3:33 PM
Read: "NASA staff and funding have been cut, and Trump-appointed interim administrator #2 decides not to prioritize worthy technology."

Nuclear power on the moon sounds good to me, so does nuclear propulsion. We can have both, AND good social programs. Trump contaminates everything he touches.
August 5, 2025 at 12:36 AM
This is why I can't engage with people who see AI as a black and white moral thing. This is an incredible achievement after just a few years of research. There's no telling how exactly AI will affect the world, and it boggles my mind that many people claim to know it must be all bad.
July 21, 2025 at 6:00 PM
Plurality-wins voting and the electoral college have made everyone crazy. America is a broken democracy and it won't be fixed until voting is more involved than choosing between one of two morons every 4 years.
July 16, 2025 at 1:43 AM
I also have a ragdoll named Luna (not a lesbian)
June 1, 2025 at 12:41 PM
This uses the Ford-Fulkerson max flow algorithm, and it can run on any bipartite graph, not just a grid. Including on an aztec diamond. There's a lot of research on how to count tilings, but not so much on how to randomly sample them. Ford-Fulkerson with randomized depth-first search works great.
May 27, 2025 at 1:13 AM
I implemented an algorithm to randomly tile a grid with dominos. Here it is on a torus where they can wrap around the edges like Pacman.
May 27, 2025 at 12:59 AM
My neighbor waits by his window to watch me come home after shopping or whatever, then stands in his yard staring at me the whole time I'm unloading groceries.

In his backyard he has this gnome flipping us off and saying "go away". We have literally never interacted with him and he hates us.
April 30, 2025 at 7:14 PM
Birds and plants
April 24, 2025 at 8:02 PM
This is 1 frame every 20 minutes. I'm proud to say I never bumped the tripod!

The lens is older and my camera would only do manual exposure, so I had to babysit it as the lighting changed.
April 23, 2025 at 3:29 AM
If you're the owner of tobyhendy.com you should change your handle to that domain in
Settings > Account > Handle

www.techradar.com/computing/so...
March 24, 2025 at 3:56 AM
I love your photography. I took a walk a few days ago and tried to mimic your vibes.

St. Louis City, MO
March 13, 2025 at 6:27 PM
Omggg nyt 💀
March 9, 2025 at 10:10 PM
Your outie knows not to use $ in markdown code blocks.
February 20, 2025 at 5:55 AM
It's fema?? I'm so confused
January 12, 2025 at 3:19 AM
January 11, 2025 at 7:14 PM
I'm fine with that, but then why aren't plant cells "just symbiotic mitochondria and chloroplasts and a host cell"? Why does one get its own domain of life and the other is just 2 different kingdoms working together?
January 5, 2025 at 4:48 AM
Wikipedia is a good place to start. I've just learned this stuff from random sources over time, but it's not controversial science. Eukaryotes are fricken weird.

en.wikipedia.org/wiki/Symbiog...
en.wikipedia.org/wiki/Lichen
December 29, 2024 at 6:01 AM
December 28, 2024 at 11:45 PM
This is a great idea. You just can't get the same level of details from ground based observatories and telescopes.
December 19, 2024 at 2:02 AM
December 12, 2024 at 4:52 AM
It's beautiful in St Louis.
October 23, 2024 at 5:45 PM
I recently discovered the NPVIC. States sign on and their electoral votes would go to the popular vote winner, regardless of who won that state. It has 209 EVs and needs 270 to come into effect.

en.wikipedia.org/wiki/Nationa...
October 9, 2024 at 6:54 PM
Here's my cat in a donut
August 16, 2024 at 11:11 PM
July 7, 2024 at 9:21 PM