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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

Simmerstats: The genius old tech that controls your stovetop

Bright from the Start: GE's CFL with an incandescent trick up its sleeve

Old HVAC industry practices are holding us back and costing us money. But we can fix it.

The step-by-step, mechanical logic of old pinball machines

LED Christmas lights still annoy me. Let's try some more fixes.

The Clapper: Yes, that one.

Back-up beepers: Obnoxious, but getting better - and spreading!

Longer-lasting light bulbs: it was complicated

This goofy fridge has a really clever design. It's also kinda terrible.

Electric cars prove we need to rethink brake lights

Sony Betacam: Not the Beta you're thinking of (it's way better)

Contactors: how we power the big stuff

Plug-n-play solutions for home electrification, and options for power outages (Part 2)

How do vinyl records hold stereo sound?

Home Electrification: There's not a lot to do, and it doesn't have to be hard (Part 1)

A simple water heater is more clever than it seems