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Discussion (45 Comments)Read Original on HackerNews
The site has some really impressive technical aspects, but the educational angle is the most rare and special! The simplicity of the language and explanations disguise how difficult this is to do.
This is the original use of the internet- giving away free knowledge to people, perfectly suited for the medium of a website.
Neurospiceys tread carefully.
<3
I really enjoy cheaper vintage watches that call back to when everyone had one of them on their wrist.
Something about a semi-autonomous machine ticking away on your wrist, whether you're looking at it or not, using no electricity, is just intrinsically satisfying to me.
I got into watch servicing pre-covid, but never got into actual fabrication of parts. I mention pre-covid because it really got popular when everyone was stuck inside and there was a sudden loss of cheap ebay parts watches to pick from.
It has some great diagrams, but obviously nothing on these interactive animations (er, naturally, since it is a book).
However the author (Harold C. Kelley) has descriptions for the diagrams similar to a maths proof - like "Warning lever W is raised in position to engage the pin P ... The unlocking lever U lifts the drop lever D ..." - not easy to follow, but maybe if you have the mechanism in front of you!
The mechanics of a six-hand are similar, using the mechanism that is described here for the date indicator.
Another fun device, though more from an EE POV, are the solar+radio/GPS versions of the same. Automatics can hold power for a few days and need walking around to wind. Solar needs light (any light, though sunlight is always best) and hold power for over a month. Many higher-end models can self-set over radio time or GPS signals as well.
When the world goes tits-up someday, both classes of watches will suddenly become essential, and are already essential for people who spend a good amount of time "unreachable" for work or pleasure.
[1] https://news.ycombinator.com/item?id=31261533#unv_31268444
https://www.google.com/search?q=bench+knife
https://cdn11.bigcommerce.com/s-ihwnd7z21q/images/stencil/12...
I'm back to mostly wearing analog watches. Had an Apple Watch on my wrist for quite a long time, but something about analog appeals once more. No smartwatch beats an analog in the style department, and I see analog everywhere around me ('burbs of NYC)
I'm not sure why this is a mystery.
https://www.youtube.com/@chronovaengineering
What if schools would provide children such marvel? Yes, that requires a sufficient time to achieve, but dear... it's just... a miracle...
Related: https://ciechanow.ski/archives (Bartosz Ciechanowski...)