dysfunctional programming language developer LANG: en_US, es_ES, da_DK, C/C++, js/ts, WASM, hs/kms Tryna make friends
Chicago, IL
Joined September 2018
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tfw it takes u 8 months to write a Hello World program
This took longer than it should have #HelloWorld
Small demo for monadic IO, strings, and basic interop with host environment
I'm not a rocket scientist or anything but it's hard for me to believe that <0.0013% tolerance is absolutely necessary for a screw.
The US used nearly two-thirds of its Patriot missiles against Iran. Now the $58.6B plan to replace them is screwed.
Making Patriot missiles requires precision ball screws, and buying one can take years. Only a handful of US shops make the military grade. Demand is up as much as 50 percent since 2020. Most of those shops are already running at full capacity, and adding more means buying new grinding machines and hiring experienced machinists to run them.
A ball screw converts a motor's spin into a straight push. Steel balls roll in a spiral groove, so about 90 percent of the motor's effort becomes push, against 20 to 40 percent for a plain screw. With the best grade, C0, the nut can travel 30 centimeters and end up within only 4 microns of where it should be, one twentieth of a hair.
Cold-forming the thread inside a ball screw nut 13 mm in diameter takes about 3 seconds. Grinding the same thread takes about 6 minutes. Aerospace screws are hardened to 60 HRC first, which warps the bar, and then ground in a room held at 20°C.
If you warm a 30-centimeter steel screw by one degree, it grows 3.6 microns. That alone uses up almost all of the 4 microns the best grade allows.
Umbragroup's plant in Saginaw, Michigan, grinds aerospace ball screws. In the early 1940s it built the first ball screw used on the B-29 bomber. Eight decades later, 173 people work there.
nytimes.com/2026/09/26/busin…
I feel like one could convert office buildings into hostels a lot easier than converting them into apartments.
I hate that companies just use OS to mean anything now.
I got an email from a company building "an OS for Aerospace" and I opened it thinking it was an embedded system or something but no it's just another ERP/CRM software.
I bought a WIRELESS DOORBELL (Door Sensor) and I'd rather modify it to be what I wanted than return it
With a network filesystem (ie - NFS) the server's time can be out of sync with the system time.
So if you want to get the age of a file you can't simply compare mtime and time().
The kernel has a current_time(inode) function but afaik u can't use this in userspace
...Sigh
ɟɟoɥɹǝppıɹ retweeted
RICO
18 U.S.C. §§ 1961–1968
law.cornell.edu/wex/rico
OpenAI and Anthropic oversold AI security breaches to pressure feds into protecting turf: insiders trib.al/Jo6xMk5
I have 2 computers which, when under load, completely lock up (screen freezes, unresponsive, have to reboot). Different OSs, different mfgs. Only common thread is that they both have nvidia GPUs.
About a year ago someone said AI can do anything a quantum computer can do and so of course I wondered if you trained a model on millions of prime number factorizations of it would be able find patterns humans haven't seen.
