Kilowatt hour
The kilowatt hour (symbol kWh, kW·h, or kW h) is a unit of energy equal to 1,000 watt-hours, or 3.6 megajoules. If the energy is being transmitted or used at a constant rate (power) over a p...
Kilowatt hour - Wikipedia
The World’s Most Powerful Laser Has Just Been Fired In Japan
Scientists in Japan have set the record for the most powerful laser ever fired, producing a 2 petawatt pulse - that’s 2 quadrillion watts - using a device known as the Laser for Fast Ignition Experime...
Conversion of units of energy
Conversion of units is the conversion between different units of measurement for the same quantity, typically through multiplicative conversion factors.
The process of conversion depends on the sp...