Category Archives: Chatter
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How Heavy Is an Electron?
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!
Making a mace
Raiders of the Lost Ark (Atari 2600) – Reverse Engineered Source
Here’s something fun: Raiders of the Lost Ark (Atari 2600) – Reverse Engineered Source. It contains a fully commented assembly code file: raiders.asm.
Long division
I found two helpful videos explaining long division. The first regards one-digit divisors and the second regards two-digit divisors.
How an 8 Year Old Just Broke Every Rubik’s Cube World Record
Usagi Electric’s First Spectra with the PDP-11/73 and Bomem FTIR
I’ve been tracking this project for a while. Here is a fun development: the PDP-11/73 is now talking to the Bomem FTIR (see Fourier-transform infrared spectroscopy).
The Euler-Lagrange Equation is F = ma
Check out this guy’s robotic hand!
Start all of your commands with a comma
This looks like a really good idea! Start all of your commands with a comma.