It's time for a 'science is fun' video! Bar magnets put in a DVD case show how combined magnetic fields can be used to hold another magnetic object in place, even when it's an inch or so away from the actual magnet. You can even get mangnetic sand (iron, etc.) from the beach!
Just updated your iPhone? You'll find new emoji, enhanced security, podcast transcripts, Apple Cash virtual numbers, and other useful features. There are even new additions hidden within Safari. Find out what's new and changed on your iPhone with the iOS 17.4 update.
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