![]() ![]() The Sorting Hat, which reads the minds of Hogwarts' new pupils and assigns them to a house, is easier to explain. ![]() ![]() This has not been noted in any of JK Rowling's commentaries, so presumably the wizards have found a solution to this uncomfortable problem. Quidditch players would have the perverse experience of having their bones held up by flesh. ![]() The force resulting from diamagnetism depends on the material in the field, so flesh would be lifted more than bone. Usually we think of magnets only influencing metals, but a sufficiently intense magnetic field can induce a so-called diamagnetism in anything and thereby lift it.Īlthough the biggest object lifted by Muggles is a frog at the Nijmegen High Field Magnet Laboratory, there is no reason why the grounds of Hogwarts should not be riddled with super-strong magnets. My favourite explanation is based on magnetic levitation. He has inter viewed the world's best Muggle scientists to identify the explanations behind everything from the Mirror of Erised to the Invisibility Cloak.įor example, how do broomsticks such as the Nimbus 2002 fly? Highfield discusses aerodynamics and the concept of anti-gravity with eminent boffins such as Ron Koczor of Nasa's Marshall Space Flight Centre. Having explored the science of Christmas, science journalist Highfield has moved on to unravel the theories that underpin the phenomena in the world of Harry Potter. ![]()
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