Name: Hoopy Explains How a Smoke Detector Senses Smoke
Uploaded: 2026-08-03
Description: Ever wondered what's actually happening inside that white disc on your ceiling? Hoopy breaks down the tiny light beam and ion chamber that catch smoke before you can smell it.

Hoopy Explains How a Thermostat Decides to Fire
Hoopy Explains How a Toilet Flush Siphons the Bowl
Hoopy Explains How to Drive a Tractor