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By Jason Snell for Macworld
The rules of magnetic attraction in Apple products
There was a time when magnets were the most terrifying things in computing. Magnets erased floppy disks and tape cassettes and even hard drives. But in the modern era, magnets are our friends. Apple has used them for various important tasks over the years, from the convenient breakaway charging cable of MagSafe to the sensor that knows you’ve closed your MacBook’s lid—and the attraction that helps keep it closed.
But in the last few years, Apple has brought the rules of magnetic attraction to the Apple Watch, the iPhone, and now the iPad. How do they work? You don’t need to know to appreciate what magnets do for modern Apple devices. And that goes double for the new iPad Pro, with its 102 magnets—as cited in Apple’s launch video about the product, no less—and all of the magnetic accessories that go along with it.