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

Came here to post this :D The TC channel is definitely a hacker's eye view in to all the technologies that we take for granted every day. Tons of fascinating tech history covered, too. Other fun ones: - a defense of the simple drip coffee maker [link] - why do the turn signals not sync up when you're at a stop light? ▶ this video - how humidifiers work and ehy the simple swamp cooler style are pretty ideal [link] - why dishwasher detergent packs are stupid (use powder/liquid) and why you should use the pre-wash slot and not bother pre rinsing your plates [link] - why do light switches click? [link]

in “Interest in heat pumps has increased dramatically in recent years” · View on HN

There's a video by Technology Connections all about turn signals: ▶ this video Demonstrates thermal-based flashers as well as capacitor-based flashers. They are clicking because metal is moving and hitting metal.

in “Apple II graphics: More than you wanted to know” · View on HN

please please don't: ▶ this video I refuse to drive at night anymore. Headlights are way too bright and a big reason is people putting poorly made and poorly aimed aftermarket headlights on.

in “Toyota 'reviewing' key fob remote start subscription plan after blowback” · View on HN