Youtube activity of "a4000t" (@a4000t) on "Technology Connections" channel.
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UCNDDTPOTozSuFdoiK9hynHg
Commenter youtube id
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a4000t
Commenter name
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@a4000t
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"Batteries aren't the only way to store energy. Here's another."
Comments by video
"DVD-RAM: The Disc that Behaved like a Flash Drive"
"Drip Coffee Makers — super simple, super cheap"
"Old car headlights were all the same — which was a fairly bright idea"
"Perhaps the weakest link in the US electrical system"