The magnet moving near the copper causes a force that ... Water is also diamagnetic so things with lots of water in them can be pushed around using your neodymium magnet. Try seeing what sorts ...
Gravitational forces that make things fall ... are attracted to a magnet with this Bitesize - KS2 Science article. Rubbing two materials together makes a negative charge move from the surface ...
Magnetic viewing films, those thin plastic sheets that change color in response to a magnetic field, are his latest area of interest, as you can see in his Magnetic Kinetic Art Display.
Cartridges come in two types: moving magnet and moving coil. Moving magnet (MM) cartridges have a cantilever which transfers mechanical vibrations picked up from the record groove straight into ...
一些您可能无法访问的结果已被隐去。
显示无法访问的结果