How did Watt James impact peoples lives?

Why would hot water pressure be less than cold water? Convert RPM to rad s? How is eating your lunch a form of energy transfer? When the air hole is half open what is the flame called? Does a acorn that falls from a tree reach its terminal velocity? Is pulling out a nail using frictional force? What is time certain? Name Some measuring instruments and their uses? What are the advantages and disadvantages for thermal heat? Where do you make use of good heat conductors? What are the most common reasons for explosions? Static discharges are classified as electricity but cannot provide the energy to operate your household devices why? How is solar energy collected and turned into usable energy? What harmful effects are due to exposure to ultraviolet? What is potential energy of a 150 kg diver standing on a diving board that is 10 m high? How much is 5 Wu jiao pounds? What is the best way to measure the motion of any object? The force of a fluid that pushes an object up is called? Which is the shortest 0.1mile or 10.4 feet or 10.3 feet or 10.4 mi? Is it possible to harness electromagnetic energy in our bodies?

How did Watt James impact peoples lives?