Youtube activity of "Jkauppa" (@Jkauppa) on "Technology Connections" channel.
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Commenter youtube id
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Jkauppa
Commenter name
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@Jkauppa
Commenter name id
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"A simple water heater is more clever than it seems"
Comments by video
"Batteries aren't the only way to store energy. Here's another."
"Contactors: how we power the big stuff"
"Drip Coffee Makers — super simple, super cheap"
"Electric cars prove we need to rethink brake lights"
"Exploring the World of E-Ink"
"Ground Source / Geothermal Heat Pumps and Other Info"
"Heat Pumps are Not Hard: Here's what it will take to start pumping"
"Laserdisc's Failure: What Went Wrong"
"Longer-lasting light bulbs: it was complicated"
"Movies made sound with a light bulb: Sound-on-film"
"Portable Air Conditioners - Why you shouldn't like them"
"TC Projects: Lead-Acid Battery Backup"
"Tesla won the plug war - and that's good news!"
"The Autochrome; Color photos? Just add potatoes."
"The LED Traffic Light and the Danger of "But Sometimes!""
"There are two types of smoke alarm. One of 'em ain't so good."
"This 1960's camera is powered by light and completely automatic"
"This goofy fridge has a really clever design. It's also kinda terrible."
"What the Crookes Radiometer can teach us"
"Why don't Americans use electric kettles?"