Did You Know?
The feathers on a shuttlecock, the projectile used in the sport of badminton, are only taken from the left wings of birds in order to ensure the shuttlecock always rotates counter-clockwise.
Today's Term
Check Digit
In the context of UPCs, a Check Digit is the last number located on the right side of a UPC bar code. Its purpose is to verify the accuracy of the code and that it has been entered correctly.
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