Why impact lawn sprinklers are so amazing

The entertaining and delightful host of Technology Connections convinced me that impact lawn sprinklers are a lot cooler than I had previously imagined. Read the rest

Mesmerizing animations of Japanese joinery

Japanese joinery is a kind of practical discipline of puzzle-boxes, in which precise, clever wooden interlocks are used to made secure joints without glue or nails. Read the rest

How a sewing machine works (gif edition)

An ancient mystery revealed. Read the rest