Architects and owners alike have learned of TPO's superior weatherability and exceptionally reliable heat welded seams. Now with itâs added major price competitiveness versus EPDM rubber, TPO roofing systems are fast becoming the single ply roofing system of choice.
History of Nuclear Energy Production. Physicist Enrico Fermi discovered the potential of nuclear fission in 1934, when he bombarded uranium atoms with neutrons and was surprised to discover that the products of this reaction were much lighter than uranium.hysicist Enrico Fermi discovered the potential of nuclear fission in 1934, when he bombarded uranium atoms with neutrons and was surprised to discover that the products of this reaction were much lighter than uranium.
A +A -. The Big Bang. On the morning of May 18, 1974, in the Pokharan desert, the ground shook violently as India conducted its first atomic bomb test, cloaking it as a peaceful nuclear explosion. In doing so, India became the world's sixth nuclear power after the US, Soviet Union, Britain, France and China.