actinide

  • After 69 Years, Chemists Finally Get a Good Look at Einsteinium

    After 69 Years, Chemists Finally Get a Good Look at Einsteinium

    First conceived in the combustion of a hydrogen bomb on the South Pacific island of Elugelab in 1952, the heavy element einsteinium is one of the shier members of the Periodic Table; it doesn’t naturally occur and is so unstable that it’s difficult to get enough of the stuff, for long enough, to actually study…