October 2015
Beginner
160 pages
4h 39m
English
By John Iovine ■ Illustrations by Dustin Hostetler
You will need
A bit of low-Curie nickel alloy
1” wire, or larger neodymium “super magnet”
Copper wire
Birthday candle
Brass screw and nut
Small steel plate
Glue or wood screws
4"×¾" wooden slat
2"×1¼"×½" wood block
Nickel wire and magnet, or a full kit, are available for purchase at makezine.com/go/heatengine
Changing the temperature of nickel wire turns heat into motion.
1. Put it together.
Glue or screw the steel plate and 4" slat to the wood block base as shown below. Drill a pilot hole, and screw the brass screw at the top of the slat. Drill a ¼" hole in the base about ...