John's Links

Audio to MIDI transcription.

Shows how much of a difference ranked choice voting can make.

This chart is a quick reference for volume, ounces, and grams equivalencies for common ingredients.

The U.S. Drought Monitor (USDM) is a map released every Thursday, showing where drought is and how bad it is across the U.S. and its territories.

The free worldwide travel guide that you can edit. Made by the same people as Wikipedia.

20 bottles on springs filled with different amounts of mercury.

A collection of innovations by women in the fields of computer science and technology.