Technology Connections

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Desiccant dehumidifiers are fascinating... but not for everyone

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Video projectors used to be ridiculously cool

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Catalytic converters are simple, but getting them to work is not

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VHS-C: a lazy idea that's also perfect

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Induction lamps: fluorescent lighting's final form

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The "standard" car charger is usually overkill—but your electrician might not know that

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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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LED Christmas lights which don't hurt the eyes: it finally happened!

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How much thrust does a ceiling fan produce?

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Balafire: when a light bulb goes wild

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Air fryers are simpler than you think, but still pretty neat

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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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Computers made engines so much better at their job

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My water heater is cooler than yours

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Ceiling fans: the simple idea we keep screwing up

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Nobody understands the point of hybrid cars

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The disappearing and unappreciated art of audible alerts

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Oil pressure is the only thing keeping an engine alive

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You are being misled about renewable energy technology.

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I made my whole-home humidifier slightly less terrifying

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It's the Christmas light video again - 2025 edition

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My car charger can boil water really fast

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This cassette player is built into an 8-track cartridge

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I was right about dishwasher pods, and now I can prove it

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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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Passive infrared motion sensors: a two-bit camera powered by crystals

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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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Your dishwasher is better than you think (tips, tricks, and how they work)

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Tilting, taking turns, and winning free games: the many tricks inside old pinball machines

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The simple, clever sensor behind automatic windshield wipers

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