Spies and hackers can eavesdrop on conversations from 82 feet (25 metres) away by analysing the vibration patterns in a hanging light bulb, a study has found. The 'lamphone' technique discovered by ...

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There was a time in recent memory when hanging a bare bulb as a domestic light source suggested a lack of decorative imagination, an absence of house pride, or in the shorthand of cinema, the onset of ...

The numbers you see on the box don't always work out in real life. LED bulbs do last longer, but those claims about five to 10 years are estimates based on internal testing -- and companies are always ...