The team smashed atoms of calcium – with atomic number 20 – into a sheet of americium – with atomic number 95 – and other labs around the world repeated their experiments over the next decade to confirm its existence.

该团队将序为 20 粉碎成序为 95 镅片，世界其他实验室在接下来十年中重复了他们实验以证实其存在。