Links for April 2019

Ecuador legalized gangs. Murder rates plummeted.
A Short Talk about Richard Feynman (2005) by Stephen Wolfram

Adding an electrical sub-panel:

How to Install an Electrical Subpanel
How to Install a Subpanel

Battle on the Battleship: 5 Times Crews of the Deadliest Warships Decided to Revolt: Think mutiny by Robert Farley