Reader J. William Hook submitted this curiosity to the Strand in August 1899. Holding the page level with the eyes foreshortens the characters and reveals a love poem:
Art thou not dear unto my
Reader J. William Hook submitted this curiosity to the Strand in August 1899. Holding the page level with the eyes foreshortens the characters and reveals a love poem:
Art thou not dear unto my
(Until William Herschel’s advances in telescopes, stars seemed to have “rays” or “tails.”)
At a dinner given by Mr Aubert in the year 1786, William Herschel was seated next to Mr Cavendish, who was
Image: Wikimedia Commons
An art gallery with n walls will always be safe with n/3 guards — the guards will always be able arrange themselves to observe the whole gallery.
That’s Chvátal’s art gallery theorem,
For the past eighty years I have started each day in the same manner. It is not a mechanical routine but something essential to my daily life. I go to the piano, and
For the past eighty years I have started each day in the same manner. It is not a mechanical routine but something essential to my daily life. I go to the piano, and
An Australian politician has legally changed his name to Austin Trump in a move inspired by Donald Trump - in what he said was a protest against the country's ruling centre-left Labor Party.