lol, this is fun. This guy made RAM for his relay computer using capacitors!
Building 1940s Capacitor Memory for a Relay Computer
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Category Archives: Internet
What’s inside an optical mouse?
An interesting look into the optical system in a mouse.
Why do we believe light is a particle?
One of my aspirations is to understand all the mathematics in this video. I’m not even close yet!
Fixing an old CRT
I love how he winds his own transformer!
Milestone for In The Lab With Jay Jay: 2,500 subscribers!
Today I reached 2,500 subscribers on my channel, @InTheLabWithJayJay. Pretty happy about that! Next stop, 3,000.
Startup Plans April Launch for a Satellite to Reflect Sunlight to Earth at Night
I’m surprised they’re still working on this. I thought someone would have explained to them by now that their plan is not feasible. They will only be able to send in negligible levels of power…
Buy 12 Broken Ryzen CPUs for $10 Each and repair them for profit?
I was very impressed with how enterprising this guy is! Most just needed their pins straightened out, a few needed new pins, and two were salvaged for parts (i.e. pins).
1986 Sinclair Spectrum+2 repair
In this video I learned about the Metcal PTTC-706 soldering iron tips. I must save my pennies so I can buy myself a pair of these babies!
Falsehoods programmers believe about time
In my feed today: Falsehoods programmers believe about time.
Convincing wife the 3D printer was worth it
This guy made a handy hook for his scooter in order to convince wifey that 3D printer wasn’t a waste of money. :)