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.

该团队将原子序 20 钙原子粉碎成原子序 95 镅片，世界各地验室在接下来十年中重复了们验以证存在。