How many watts do you need to run your home? How many watts is your furnace using? What is the wattage of that light bulb?
WATT. The unit of measure for electrical and mechanical power is named for James Watt. He was a Scottish inventor who contributed significantly to the Industrial Revolution with his improvements to the steam engine and other inventions. Watt died on 19 August 1819. Read more at http://www.bbc.co.uk/history/historic_figures/watt_james.shtml.
Image: Public Domain, Source: The Popular Science Monthly, 1877