Practical uses for thin neodymium magnets today
If you've ever been surprised by how much weight a tiny disc can hold, you've probably encountered thin neodymium magnets before. They're honestly a bit of a marvel when you think about it. We're so used to old-school ceramic magnets—those chunky, gray blocks that barely hold a pizza menu to the fridge—that seeing something as thin as a coin support several pounds feels like a magic trick. ...