SCIENCE NEWS – 602
$1.65
Interesting news/views from the underground science network. This issue we feature Howard Johnson’s motor powered by permanent magnets, patented in 1979 as a perpetual motion device.
- Description
Description
SCIENCE NEWS – 602
Interesting news/views from the underground science network. This issue we feature Howard Johnson’s motor powered by permanent magnets, patented in 1979 as a perpetual motion device.
