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
HPE Discover HPE Discover HPE Discover is the Hewlett Packard Enterprise showcase technology event for business and government customers. In 2011, HP Enterprise Business, along with participating independent user groups, combined its annual HP Software Universe, HP Technology Forum and HP Technology@Work into a single event, HP Discover. There are now two HPE Discover events annually, one for the Americas and one for Europe, Middle East and Africa (EMEA). Since the split of Hewlett-Packard into HP Inc and Hewlett Packard Enterprise, HP Discover was replaced with HPE Discover focusing on the enterprise company's products and services. HP Discover 2011 Americas took place