; F7 ^( a% [1 q( \6 ?9 f7 GFloo Powder as seen in Chris Columbus' film adaptation of Harry Potter and the Chamber of Secrets.Floo Powder is a glittering powder used by wizards to travel and communicate using fireplaces. It was invented by Ignatia Wildsmith (1227–1320) and named after the flue, which is the passageway that leads from a fireplace to the chimney so hot gases can escape.9 |3 ]1 ~1 @+ h3 x+ [3 |$ t: A