| 摘要 |
<p>PROBLEM TO BE SOLVED: To provide a toy using thermomagnetic properties of a thermosensitive magnetic material.SOLUTION: A magnet 2 is fixed to a support 10, a ring 1 of a thermosensitive magnetic material is supported with a rotation shaft 4 to pass through a magnetic field, a candle 3 is burnt at a position near the magnetic field to heat the ring 1 of the thermosensitive magnetic material, and the magnetization is weakened to generate rotatory power.</p> |
