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According to an article on Metro UK: Xu said he stumbled across the discovery while studying the works of legendary ancient Chinese inventor Lu Ban, who was born more than 2,500 years ago.
Read more at www.metro.co.uk, or read a humorous spin-off at vannevar.blogspot.com.
There’s something you don’t see every day.
I see two every day.
Edit: There’s something I don’t see everyday.