Ernst Chladni at the understanding of electron orbitals. Since at least 1738, a musical instrument called a "Glasspiel" or "verrillon", created by filling beer glasses with varying amounts of water, was popular in Europe. The beer glasses were struck by wooden mallets shaped like spoons to produce "church and other solemn music". Benjamin Franklin was sufficiently impressed by a verrillon performance on a visit to London in 1757 that he created his own instrument, the glass armonica, in 1762. Franklin's armonica inspired several other instruments, including two created by Chladni. In 1791, Chladni invented the musical instrument called the "euphon" (not to
Deism in England and France in the 18th century term deist was by Pierre Viret, a disciple of Calvin, in his "Instruction chrétienne en la doctrine de la Loi et de l'Évangile", in Genoa (1564). Viret regarded it as an entirely new word which he claimed the Deists wished to put in opposition to atheism in avoiding the accusation of the latter. The emergence of the word in the mid-sixteenth century was mostly associated with ongoing recovery of works from antiquity. So, it is believed that Deists were humanists whose classical readings had detached them from Christian belief and who had invented a word to denote simply the belief