Spies can eavesdrop by watching a light bulb’s variations
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Technique allows for real-time listening in on a room hundreds of feet away.
You know what I have to say about that? Flickery-flicky flash flash flicky-flicker
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Technique allows for real-time listening in on a room hundreds of feet away.
You know what I have to say about that? Flickery-flicky flash flash flicky-flicker
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That is why I use energy efficient LEDs exclusively
Director of Transmogrification Services Shinobi of Query Language Master of Yoda Conditional
ANDY GREENBERG, WIRED.COM - wrote:
the team points out that they also used a relatively cheap electro-optical sensor and analog-to-digital converter, and could have upgraded to a more expensive one to pick up quieter conversations. LED bulbs also offer a signal-to-noise ratio that's about 6.3 times that of an incandescent bulb and 70 times a fluorescent one.
Bugger! Now then, where did I leave those carbon-arc lamps?
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ANDY GREENBERG, WIRED.COM - wrote:
the team points out that they also used a relatively cheap electro-optical sensor and analog-to-digital converter, and could have upgraded to a more expensive one to pick up quieter conversations. LED bulbs also offer a signal-to-noise ratio that's about 6.3 times that of an incandescent bulb and 70 times a fluorescent one.
Bugger! Now then, where did I leave those carbon-arc lamps?
