The latest household item to gain this functionality is the smoke detector, with US safety company First Alert unveiling a ceiling-mounted alarm that doubles as an Alexa-enabled speaker. SUBSCRIBE ...

Inside a smoke detector. The Camille and Henry Dreyfus Foundation, CC BY-NC-ND. Inside your smoke detector, there’s a small Americium-241 radiation source that’s a byproduct of nuclear fuel ...

A new spin on an old tool. By Jennifer Pattison Tuohy Even if you’re generally not into smart-home devices, a smart smoke alarm is the one essential appliance every home should have. While a ...