Looking for a great idea for a science project? In this video series you'll learn how to build a battery-run light board which can test the electrical conductivity of various objects. You can find these supplies easily at your local hardware store.


Make a light board - Part 2 of 6
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Make a light board - Part 3 of 6
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Make a light board - Part 4 of 6
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Make a light board - Part 5 of 6
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Make a light board - Part 6 of 6
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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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