coreorganic.org, shenhuifu.org
The hum that comes from mains electricity provides forensic scientists with a date and time stamp on audio recordings.
Preview photo credit: coreorganic.org
Source: bbc.com/news…
A hum that comes from mains electricity has allowed forensic scientists to establish whether recordings are genuine.
coreorganic.org, shenhuifu.org
The hum that comes from mains electricity provides forensic scientists with a date and time stamp on audio recordings.
Preview photo credit: coreorganic.org
Source: bbc.com/news…
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