Polonium in the Earth's crust are not harmful. Polonium has been found in tobacco smoke from tobacco leaves grown with phosphate fertilizers. Because it is present in small concentrations, isolation of polonium from natural sources is a tedious process. The largest batch of the element ever extracted, performed in the first half of the 20th century, contained only (9 mg) of polonium-210 and was obtained by processing 37 tonnes of residues from radium production. Polonium is now usually obtained by irradiating bismuth with high-energy neutrons or protons. In 1934, an experiment showed that when natural Bi is bombarded with neutrons, Bi
DISCover DISCover Digital Interactive Systems Corporation (or DISCover) is a company specializing in gaming technology for PCs. They are the creators of the DISCover technology which allow PC games to be played like a video game console. The technology, which features the "Drop and Play" engine, auto-plays CDs or DVDs and automates scripts for installing and updating games. Consoles with the engine connect to the Internet for game updates. This technology debuted at the 2003 Electronic Entertainment Expo. Machines using DISCover technology include the Apex Extreme, Alienware DHS 2 and DHS 5. In August 2007, DISCover announced that their Hardcore White-Label