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Why it's not possible to synchronize turn signals (but also absolutely is)
About this video
Technology Connections explains why car turn signals appear to drift out of sync at stoplights and how thermal and other flasher designs work. It also covers how synchronization could be achieved.
Why it appears in the archive
Referenced as a typical example of the channel's hacker-eye view of everyday technology, and for its flasher explanation.
AI-generated summary and labels from the source dataset; verify important details against the video. Source & credits.
From the Hacker News discussion
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? [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]
Read original comment ↗please please don't: [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.
Read original comment ↗There's a video by Technology Connections all about turn signals: [VIDEO] Demonstrates thermal-based flashers as well as capacitor-based flashers. They are clicking because metal is moving and hitting metal.
Read original comment ↗