Secret of radioactive ‘promethium’ – a rare earth element with mysterious applications – revealed after 80 years of searching

Scientists have revealed the essential properties of a mysterious radioactive substance for the first time promethium — nearly eight decades after the elusive rare earth element was discovered. Promethium is one of …

Secret of radioactive ‘promethium’ – a rare earth element with mysterious applications – revealed after 80 years of searching Read More