Cake (firework) been blown off by the discharging stars). In a traditional cake, all the candles point upwards; a variant is called the "fan" or "angle" cake. Cakes are one of the most popular types of firework, as they can create spectacular and long-lasting effects from a single ignition while minimising safety concern. In the UK, the reclassification of aerial shells to Category 4 has popularised cakes as a method for achieving similar effects while staying within safety guidelines, particularly by firing multiple candles at the same time. Cakes vary greatly in size, weight and duration. Some last only a few seconds
Rocket-powered aircraft known as rocket assisted take off (RATO or RATOG). Not all rocket planes are of the conventional takeoff like "normal" aircraft. Some types have been air-launched from another plane, while other types have taken off vertically – nose in the air and tail to the ground ("tail-sitters"). Because of the heavy propellant use and the various practical difficulties of operating rockets, the majority of rocket planes have been built for experimental use, as interceptor fighters and space aircraft. Rocket-powered flight was pioneered in Germany. The first aircraft to fly under rocket power was the Lippisch Ente, in 1928. The Ente