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.
The nucleus is made up of nucleons (neutrons and protons) and it is located at the centre of an atom. Nucleus was discovered by British chemist and physicist Ernest Rutherford in the year 1911.He is known as the father of nuclear physics. In 1908, he won the Noble Prize for his achievements in chemistry.ucleus was discovered by British chemist and physicist Ernest Rutherford in the year 1911. He is known as the father of nuclear physics. In 1908, he won the Noble Prize for his achievements in chemistry.