Timer switches: literally just a clock and a switch

Movies made sound with a light bulb: Sound-on-film

The decorative lamp that's built wrong on purpose

In Defense of the Switched Outlet

The clever camera code on rolls of film

This TV gadget censors bad words with 1980's tech

Old car headlights were all the same — which was a fairly bright idea

This 1960's camera is powered by light and completely automatic

A Complete Beginner's Guide to Electric Vehicles

Drip Coffee Makers — super simple, super cheap

The correcting feature of typewriters is not what I thought

There are two types of smoke alarm. One of 'em ain't so good.

Is Philips discontinuing their coolest warmest product?

Why don't Americans use electric kettles?

The tech which can charge an electric car in 10 minutes

The Autochrome; Color photos? Just add potatoes.

Heat Pumps are Not Hard: Here's what it will take to start pumping

Why Heat Pumps are Immensely Important Right Now

A troubling trend in lighting?

Lessons from a Can Opener

A Backwards Camera in a Dark Room - Photographic Printing

Once again I attempt to add polish to LED holiday lights

This digital piano has some very clever controls

Making Film Reveal its Image: the B&W Development Process (Photography Part 2)

The Birth of Photography: Drawing With Light (and silver iodide)

Holey Plugs, Batman! But... what are they for?

Introducing a new series! Connextras: Sights and Sounds

I messed up. You're using too much detergent.

Why it's not possible to synchronize turn signals (but also absolutely is)

Pressure lamps: gaslighting on the go