People knew the recording from 6,500 years ago ?!
Belgian scientists believe that they have discovered the world's oldest "recording device" .
They used computers to scan all twisted grooves in an ancient vase of 6,500 years old to see what these twisted grooves meant. It is very interesting that after being decoded with modern audio decoding techniques, these twisted grooves emit strange sounds, including those who speak and laugh.
Interested readers can click here to download MP4 video clip describing this event for reference.
THIEN TRANG
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