the.com/smoke detector
The only household object with a legal right to scream at burnt toast.
means A device that senses smoke particles in the air and sounds an alarm to warn of possible fire.
from A 20th-century safety invention built on ionization and photoelectric sensing technology developed for fire detection; early versions were bulky and expensive, but the ionization chamber — borrowed from radiation-detection research — made small, affordable home units possible by the 1970s, after which building codes increasingly required them.
- actual trigger
- Ionized air disruption, not smoke color or smell
- worst placement
- Near kitchens, where it judges your cooking hardest
- battery psychology
- Chirps at 3am only, out of pure spite
- real job
- Detecting particles, not fire itself