Image: Halliburton. Downhole camera technology puts eyes underground, enhancing a company's understanding of what is going on within the furthest depths of production and helping operators make important decisions that benefit from the all too valuable sense of sight.
Barium was discovered by Sir Humphrey Davy at 1808 in England. Origin of name: from the Greek word barys meaning heavy Baryta (barium oxide, BaO) was distinguished from lime (calcium oxide, CaO) by Scheele in 1774.
Neptunium was the first element that has been man made. Neptunium was discovered by Edwin McMillan and Philip Abelson in 1940 in the United States. The name of Neptunium came from the planet Neptune. The reason for naming it that is because Neptunium is the next outer most planet beyond Uranus. In the Periodic Table Neptunium is the next one next to Uranium.