Solar energy is energy from the sun, so really it forms on it own, but Russell Ohl discovered it and he was from America.
India
mr solar
sumerians invenent the poters wheel
France invented the metric system
France. The metric system was designed as a result of the French revolution
they invented the command economy system and killed hitler
He also invented Thermecon (Thermal Energy Conversion System) in 1981
Carolus Linnaeus invented the classification system
1950's solar system invented
Nikolas Tesla invented the ignition system in 1898.
It was invented in 1982
The Chinese number system was invented in the 4th centaury.