Polonium initiator was classified until the 1960s. The Atomic Energy Commission and the Manhattan Project funded human experiments using polonium on five people at the University of Rochester between 1943 and 1947. The people were administered between of polonium to study its excretion. Polonium is a very rare element in nature because of the short half-life of all its isotopes. Po, Po, and Po appear in the decay chain of U; thus polonium can be found in uranium ores at about 0.1 mg per metric ton (1 part in 10), which is approximately 0.2% of the abundance of radium. The amounts
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