There are two main types of smoke alarm tech, says Raman Chagger, principal consultant at BRE, the Building Research Establishment. Ionisation-based systems use a tiny amount of radioactive material to charge, or ionise, particles in the air which flow between two small plates. Should smoke interrupt that flow of charged particles, the alarm goes off.
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Meanwhile, other tech leaders have warned AI will eventually lead to fewer jobs. Amazon CEO Andy Jassy said last year the company would probably need a smaller headcount as AI started to automate tasks. And Salesforce CEO Marc Benioff said he “needs less heads” after reducing the company’s customer support workforce by 4,000 as AI takes over some work.
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20:04, 27 февраля 2026Экономика