If it's sensitive enough to read a heart beat, then surely it can be used as a covert microphone?

gavinsyancey 7 hours ago | parent | next [-]

The laptop also contains a normal microphone. You can't access this without root; if you have that you have permissions to access the real microphone.

	▲	nottorp 6 hours ago \| parent [-]
		... but think how much "engagement" a "security expert" would get out of this!

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Quppi 7 hours ago | parent | prev | next [-]

From testing, it seems to require me to press my wrists quite hard against the macbook to get a somewhat accurate reading on the heartbeat. Non the less a cool project and I wasn't even aware my macbook has an accelerometer.

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rcxdude 9 hours ago | parent | prev | next [-]

Depends on the bandwidth.

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rcxdude 9 hours ago | parent | prev [-]

depends on the bandwidth