› added 4 years ago

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TIL about Vacuum Airships which are a hypothetical type of airship which would use a vacuum instead of gas filled balloons to generate lift.

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N70WP TIL that Ettore Boiardi marketed his products under the brand "Chef Boy-Ar-Dee" so that Americans could pronounce his name properly.
b9Oma TIL: During his sons kidnapping, Frank Sinatra Sr spoke with the kidnappers via payphone often. Worried that he wouldn't have enough change for the call he started to carry 10 dimes wherever he went. He continued to do this for the rest of his life, and was even buried with 10 dimes in his pocket.
DZVp TIL that all modern color printers print a secret, nearly invisible code onto every page to allow governments to track the serial number and timestamps
OGDJa TIL that both Al Pacino and Robert De Niro are two of the oldest fathers on record, fathering children at the ages of 83 and 79 respectively.
QRQk TIL In 1996, the BBC applied to register the TARDIS as a trademark and were challenged by the Metropolitan Police. The courts found no evidence that any police force had ever registered the image as a trademark. The courts ruled in BBCs favour.