Bouzouki heavy mother-of-pearl ornamentation often seen on modern bouzoukia is typical of bouzoukia of the period. It has tuners for eight strings, but has only six strings, the neck being too narrow for eight. The luthiers of the time often used sets of four tuners on trichordo instruments, as these were more easily available, being also used on mandolins. This type of bouzouki has 8 metal strings, which are arranged in 4 pairs, known as courses, typically tuned CC–FF–AA–DD (i.e., one whole step below the four high strings of a guitar). In the two higher-pitched (treble) courses, the two strings of
How many angels can dance on the head of a pin? The practical lesson to be drawn from the argument is not to use words like "there" in a loose, unscientific way, without specifying whether you mean "located there" or "occupying space there." In the humoristic magazine "Annals of Improbable Research", Anders Sandberg has presented a calculation based on theories of information physics and quantum gravity, establishing an upper bound of 8.6766×10 angels. Comparing medieval superstition and modern science, George Bernard Shaw wrote in the introduction to the play "Saint Joan" that "The medieval doctors of divinity who did not pretend to settle how many angels could dance on the point