What bath sponge is really the dried fiber of a tropical gourd?

Which guitar effect, controlled with the player's foot and named for the sound it makes, was invented by accident by an… Basketball history changed on October 30, 1954, with the introduction of which device in NBA games? Bastille Day in France commemorates the storming of the Bastille on which date in 1789? "Bat Out of Hell II: Back into Hell" was a 1993 album by which singer? An old saying claims that eccentric people have bats in which part of a church tower? The word for battle was "gefeoht" in which language, spoken in London until about 1100? "Battleship" is a shade of which color, named for the paint used on naval warships? In 1952, Bausch & Lomb introduced the Wayfarer, a famous style of what?