Inventors usually try to come up with things that will change people's lives. But Robert Barrows is hoping to make an impact after their death. He is patenting video-equipped tombstones to let cemetery visitors watch messages from the dead.
Inventors usually try to come up with things that will change people's lives. But Robert Barrows is hoping to make an impact after their death. He is patenting video-equipped tombstones to let cemetery visitors watch messages from the dead.
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