What does keep the black dog at bay mean? I wonder whether âblack dogâ is used as a pun with âwinter blueâ in the headline. Is âkeep the black dog at bayâ a well-established idiom?
Although many people claim television was invented by Philo Farnsworth in America, it was actually invented by John Logie Baird, a Scotsman who carried out his research in London England. He first demonstrated his system in 1925 and it was in commercial use by 1929.
JOHN LOGIE BAIRD (1888-1946). It was in his rooms in Soho, London, that in 1925 John Logie Baird made a technical breakthrough: successfully transmitting a 30-line vertically scanned image of the head of a ventriloquist's dummy. A Scottish engineer, Baird is considered to be the inventor of the television.he brilliant Christopher Cockerell came up with one of the greatest British inventions of the second half of the 20th century: the hovercraft.