The ratio of active power to apparent power in a circuit is called the power factor. For two systems transmitting the same amount of active power, the system with the lower power factor will have higher circulating currents due to energy that returns to the source from energy storage in the load.
Ruud who invented the electric water heater (automatic storage) in 1889, founded the Ruud Manufacturing Company, which is still in operation today, and pioneered the advancement of water heaters, in both the residential and commercial market. The Water Heater is still sometimes referred to as a geyser in the UK.
The History of the Pressure Cooker. The invention of the pressure cooker is credited to Denis Papin, a French physicist. Perhaps this partially explains why nearly every household in France has a pressure cooker. Papin demonstrated his steam digestor in May of 1679 in London, England to the Royal Society by cooking bones with it.