That's right, no batteries required. Ever.
Instructables user brunoip demonstrates how to make a flashlight that uses a "small stepper motor to generate energy and many capacitors for keep it stored for several seconds".
Click through to learn how to make-it-yourself!
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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