Privacy · 4 years ago

Spies can eavesdrop by watching a light bulb’s variations | Ars Technica

arstechnica.com

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Spies can eavesdrop by watching a light bulb’s variations | Ars Technica

arstechnica.com

Privacy · 4 years ago

5

Spies can eavesdrop by watching a light bulb’s variations

arstechnica.com

Technique allows for real-time listening in on a room hundreds of feet away.

Technique allows for real-time listening in on a room hundreds of feet away.

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4 years ago
Definitely cool, but not a new idea.

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