#156 When smoke alarms aren't beeping at us to replace their batteries, they are sitting, watching, waiting for the perfect moment, waiting for smoke to happen so they can alert us that a fire may be happening. But how on earth do they detect the presence of smoke? How do they only react to smoke and nothing else? What is going on inside of our little circular, protective friends? Let's find out. References from this episode https://www.nist.gov/how-do-you-measure-it/how-do-smoke-detectors-work#:~:text=Smoke%20alarms%20detect%20fires%20by,to%20safety%20and%20call%20911. https://www.compoundchem.com/2019/11/20/iypt095-americium/ https://cen.acs.org/materials/Chemistry-Pictures-Americium-beautiful/99/web/2021/07 https://www.epa.gov/radtown/americium-ionization-smoke-detectors https://www.nfpa.org/Public-Education/Staying-safe/Safety-equipment/Smoke-alarms/Ionization-vs-photoelectric Thanks to our monthly supporters Ciara Linville J0HNTR0Y Jeannette Napoleon Cullyn R Erica Bee Elizabeth P Sarah Moar Rachel Reina Letila Katrina Barnum-Huckins Suzanne Phillips Nelly Silva Venus Rebholz Lyn Stubblefield Jacob Taber Brian Kimball Emerson Woodhall Kristina Gotfredsen Timothy Parker Steven Boyles Chris Skupien Chelsea B Bri McAllister Avishai Barnoy Hunter Reardon ★ Support this podcast on Patreon ★ Check out our website at chemforyourlife.com Watch our episodes on YouTube Find us on Instagram, Twitter, and Facebook @ChemForYourLife. Want to start your own podcast? Use Transistor and you'll have the best podcast platform available. We use it and we are totally in love with it. Hosted by Simplecast, an AdsWizz company. See pcm.adswizz.com for information about our collection and use of personal data for advertising.

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“What did the council decide on item 42?” — answered with the speaker and the moment.

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