A new research from MIT has resolved a critical concern about superconducting magnets used in nuclear fusion reactors. By ...
The electric current creates a magnetic field, and when the current is turned off, the magnetism disappears. Magnetism is an invisible force that can attract or repel certain materials ...
Each magnet has a clamping force of 300 kgs and when the poles are "like" they repel with enough force to make a man "levitate." The magnets can be bought here but they are very strong so should ...