Smart smoke detectors connect to the internet to relay alerts to your smartphone, or automatically turn on your smart lights. Here are the best.
More than 80% of the standard smoke detectors in the US contain an amount of americium-241, a radioactive element with a half life of 432 years. It is the americium-241 that allows the contraption to work. Air flows into an ionization chamber that is pretty much two sheets charged of m...
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He sprints from the Tombs to the Municipal Building, takes the elevator up to the 15th floor (there were no metal detectors in the lobby then) and sticks his head into Rosano’s office. Rosano, as usual, is on the telephone. This guy asks Michael to stand witness at his wedding in 1...