Error message

Deprecated function: Array and string offset access syntax with curly braces is deprecated in include_once() (line 20 of /home/raw3y9x1y6am/public_html/includes/file.phar.inc).

engineering

Water in a Glass, part 3

Water in a Glass, part 2

Versorium

Bottle Tones, part 2

Go back to part 1

Bottle Tones, part 1

Tricky Bottle

Torque

Making a Compass

An easy way to explore magnetic fields is by using a compass. You can buy one, but it is easy to build your own.

Magic Coin

The Leyden Jar

Pages