Episode 404. Topic: Smoke detectors. Theme: Home technology.   How common are house fires? When were smoke detectors invented? How do smoke detectors work? How is radioactivity involved and is it safe? Are there other models that do not include radioactivity? Twitter: @3minutelesson   Email: 3minutelesson@gmail.com   Instagram: 3minutelesson   Facebook: 3minutelesson   New episode every Monday, Wednesday, and Friday! Find us everywhere podcasts are found.

Episode 404. Topic: Smoke detectors. Theme: Home technology. How common are house fires? When were smoke detectors invented? How do smoke detectors work? How is radioactivity involved and is it safe? Are there other models that do not include radioactivity? Twitter: @3minutelesson Email: 3minutelesson@gmail.com Instagram: 3minutelesson Facebook: 3minutelesson New episode every Monday, Wednesday, and Friday! Find us everywhere podcasts are found.

Episode 404. Topic: Smoke detectors. Theme: Home technology. &nbsp; How common are house fires? When were smoke detectors invented? How do smoke detectors work? How is radioactivity involved and is it safe? Are there other models that do not include radioactivity? Twitter: @3minutelesson &nbsp; Email: 3minutelesson@gmail.com &nbsp; Instagram: 3minutelesson &nbsp; Facebook: 3minutelesson &nbsp; New episode every Monday, Wednesday, and Friday! Find us everywhere podcasts are found.

Smoke detectors | Home technology

Education podcasts are great - but sometimes you just want an appetizer of knowledge. On 3 minute lesson, I attempt to communicate an interesting topic concisely and in less than 3 minutes.

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Smoke detectors | Home technology

Smoke detectors | Home technology