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Video projectors used to be ridiculously cool
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29:20
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VHS-C: a lazy idea that's also perfect
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1,611,365 views
32:27
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33:47
Closed captions on DVDs are getting left behind
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Dehumidifiers are confusing. Here's why.
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Power is not energy: why the difference matters
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Algorithms are breaking how we think
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The clever feature that makes cheap heaters safe — and why they're actually dangerous
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I tricked my car charging station into powering a 7.5 kW heater
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1,279,041 views
24:51
LED Christmas lights which don't hurt the eyes: it finally happened!
10 months ago
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11:58
How much thrust does a ceiling fan produce?
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Balafire: when a light bulb goes wild
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I bought a freeze dryer so you don't have to
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MP3 CDs: a hybrid "format" that never existed, yet was surprisingly common
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Duracell PowerCheck: A genius idea which didn't last that long
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Thermoelectric cooling: it's not great.
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Induction cooking - but what about woks?
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Door closers: ubiquitous, yet unloved and often maladjusted
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1,654,660 views
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Passive infrared motion sensors: a two-bit camera powered by crystals
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1,021,281 views
22:15
Awnings: a simple cooling tech we apparently forgot about
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The Numitron: An obvious idea that wasn't very bright
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2,100,190 views
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6,086,049 views
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Tilting, taking turns, and winning free games: the many tricks inside old pinball machines
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1,298,963 views
11:18
The simple, clever sensor behind automatic windshield wipers
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1,663,042 views
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Simmerstats: The genius old tech that controls your stovetop
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2,050,743 views
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Bright from the Start: GE's CFL with an incandescent trick up its sleeve
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889,715 views
