Bum Fodder

This is the hidden history of an invention that we use every day but seldom dare to speak of. In medieval China it was cutting-edge technology. For 19th-century Americans it was a newfangled alternative to dried corncobs and the Sears & Roebuck catalogue. Wits in Georgian London preferred pages of bad poetry. The sages of ancient Athens were content to wield the xylospongion instead. I...