Learn how to make the the simplest homopolar motor there is with just a regular battery, a small watch battery, and a formed copper wire. This is really as simple as a homopolar motor gets. Two batteries and some wire... that's it!
The next big software update for iPhone is coming sometime in April and will include a Food section in Apple News+, an easy-to-miss new Ambient Music app, Priority Notifications thanks to Apple Intelligence, and updates to apps like Mail, Photos, Podcasts, and Safari. See what else is coming to your iPhone with the iOS 18.4 update.
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