Scottish inventions and discoveries solely to the subject, as well as scores of websites listing Scottish inventions and discoveries with varying degrees of science. Even before the Industrial Revolution, Scots have been at the forefront of innovation and discovery across a wide range of spheres. Some of the most significant products of Scottish ingenuity include James Watt's steam engine, improving on that of Thomas Newcomen, the bicycle, macadamisation (not to be confused with tarmac or tarmacadam), Alexander Graham Bell's invention of the first practical telephone, John Logie Baird's invention of television, Alexander Fleming's discovery of penicillin and insulin. The following is a list of
Cruising with Ruben & the Jets Jets", with no mention of The Mothers of Invention; according to Zappa, later pressings, which credited the Mothers of Invention, did not receive as much airplay as the original "Ruben" pressings. The album's cover has a word balloon stating "Is this the Mothers of Invention recording under a different name in a last ditch attempt to get their cruddy music on the radio?" Zappa later dismissed claims that he had "fooled people" with this album as "nonsense". Subsequently, Zappa stated that the Mothers of Invention would record a second Ruben & the Jets album. No sequel to "Cruising with Ruben