Khác biệt giữa bản sửa đổi của “Muggles' Guide to Harry Potter/Magic/Underage Sorcery”
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there's enough on this decree that it deserves a page of its own, I think |
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== Analysis ==
In [[Muggles' Guide to Harry Potter/Books/Deathly Hallows|''Harry Potter and the Deathly Hallows'']], we learn that the technique that is used to determine whether a Wizarding child has performed magic is called the Trace. This apparently will detect magic used by the child and trigger some indication in the Ministry. Apparently, in order to be sensitive enough to register the child's use of small spells, it will also detect magic used near the child. We are told that in Wizarding households, it is the parents who are responsible for monitoring the use of magic by the child, as the adults using magic near him may trigger the Trace accidentally; [[Muggles' Guide to Harry Potter/Magic/Muggle-born|Muggle-born]] wizards, however, are directly monitored by the Ministry, as it is assumed that the only magic that can occur near them is their own. This is presumably why Dobby's Hover charm was attributed to Harry.
One must wonder, though, about the accuracy of the Trace. In particular, it is not triggered by riding in, or driving, a car that is Charmed to be able to fly and be invisible. There is no apparent notice of Aunt Marge's glass magically shattering, or of the lock of the cabinet under the stairs magically opening as Harry leaves [[Muggles' Guide to Harry Potter/Places/Privet Drive|Privet Drive]]. There is no apparent notice of all the magic occurring in Harry's vicinity when he is at [[Muggles' Guide to Harry Potter/Places/The Burrow|the Burrow]], [[Muggles' Guide to Harry Potter/Places/Grimmauld Place|Grimmauld Place]], or in [[Muggles' Guide to Harry Potter/Places/Diagon Alley|Diagon Alley]]. There is no notice of the magic occurring in his vicinity when he is being visited by [[Muggles' Guide to Harry Potter/Characters/Arthur Weasley|Arthur Weasley]], the Advance Guard, or [[Muggles' Guide to Harry Potter/Characters/Albus Dumbledore|Professor Dumbledore]] at Privet Drive, or when [[Muggles' Guide to Harry Potter/Characters/Rubeus Hagrid|Hagrid]] is taking him off the island and back to shore in [[Muggles' Guide to Harry Potter/Books/Philosopher's Stone|the first book]]. If we assume that the Trace can detect an adult wizard, and damp its responses accordingly, then the only unexplained situations are the shattering wineglass and the opening cupboard during Aunt Marge's stay at Privet Drive, and possibly the summoning of the [[Muggles' Guide to Harry Potter/Magic/Knight Bus|Knight Bus]]. Those might well all have been lumped together and forgiven, along with the inflation of Aunt Marge, by Cornelius Fudge.
== Questions ==
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