Technology Connections

This cassette player is built into an 8-track cartridge

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

Video projectors used to be ridiculously cool

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

Desiccant dehumidifiers are fascinating... but not for everyone

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

Induction lamps: fluorescent lighting's final form

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

Closed captions on DVDs are getting left behind

Dehumidifiers are confusing. Here's why.

Power is not energy: why the difference matters

Algorithms are breaking how we think

The clever feature that makes cheap heaters safe — and why they're actually dangerous

I tricked my car charging station into powering a 7.5 kW heater

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

How much thrust does a ceiling fan produce?

Balafire: when a light bulb goes wild

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

MP3 CDs: a hybrid "format" that never existed, yet was surprisingly common

Duracell PowerCheck: A genius idea which didn't last that long

Thermoelectric cooling: it's not great.

Induction cooking - but what about woks?

Door closers: ubiquitous, yet unloved and often maladjusted

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

Awnings: a simple cooling tech we apparently forgot about

The Numitron: An obvious idea that wasn't very bright

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

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

The simple, clever sensor behind automatic windshield wipers