Magnetic Fan in Japan – Japanese Magnetic Fan: Here’s some proof that there are technologies yet to be discovered with things we think have more or less been tapped of ideas. A 58-year-old Japanese inventor created a magnetic motor that uses virtually no electricity.
She then moves us to the next device, a weighty machine connected to a tiny battery. Apparently the load on the machine is a 35kg rotor, which could easily be used in a washing machine. After she flicks the switch, the huge rotor spins at over 1,500 rpms effortlessly and silently. Meters show the power in and power out. Suddenly, a power source of 16 watts or so is driving a device that should be drawing at least 200 to 300 watts.
It consists of a smaller clay pot inside a larger clay pot. The gap is filled with damp sand. As the sand water evaporates, the inner pot cools. Food that used to spoil in a few days now stays fresh for weeks.