"Had I not have heard [the smoke alarm], I would have just been in there," says McConnell. "They are essential, absolutely essential."
account. Fortunately this was not very common at the time, and you would be more
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Detecting e-bike battery fires, for example, is particularly difficult, since these can unfold suddenly. Some researchers are working on new ways of sensing smoke and fire, perhaps even more quickly than before. But, take note: any certified, working smoke alarm is better than nothing.