Spoiler alert! The charge on an electron is e = 1.60217663 x 10-19 C and the mass of an electron is m = 9.1093837 x 10-31 kg. Check out the video for tips on measuring these values yourself!
How Heavy Is an Electron?
Reply
Category Archives: Learning
Long division
I found two helpful videos explaining long division. The first regards one-digit divisors and the second regards two-digit divisors.
The Euler-Lagrange Equation is F = ma
Start all of your commands with a comma
This looks like a really good idea! Start all of your commands with a comma.
A Display Powered by Air
This is fun. He made a mechanical AND gate so he could use a multiplexer!
WordPress Block Editor
Today I read about the WordPress Block Editor. I don’t use it (I use the code editor) but I suppose it’s good to know what it can do.
Capacitive sensors as an alternative to resistive sensors
Over on YouTube @elewizard shows us how to make a capacitive sensor for the water level for a pot plant. He also shows us how to use a 555 timer and an MCU to measure small capacitances by the frequencies they generate.
Today I added capacitive, and capacitances to my spellcheck!
One ROM 24 – Adding USB-C to a 0.75″ x 1.25″ PCB
Our mate Piers over on @piers_rocks has added USB-C connections to One ROM. The video shows how he did it.
[Yang-Hui He] Presents To The Royal Institution About AI And Mathematics
I have a new post on Hackaday: [Yang-Hui He] Presents To The Royal Institution About AI And Mathematics.
Factorial
Today I added the recursive base case for n=0 to the Factorial article on Wikipedia.