Electromagnets - AQA Electromagnetism is due to the magnetic fields around electric currents. The fields can cause forces with other nearby magnets which can be used to make motors spin and ...
What is quantum physics? Put simply ... deal with three of the four fundamental forces by which matter interacts: electromagnetism, which explains how atoms hold together; the strong nuclear ...
Sir John Pendry’s lecture showed how engineered materials make sci-fi real, from invisibility cloaks to microscopes revealing the nanoscopic world.
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