'The gram you're holding of this element's Isotope 238? In about 4 1/2 billion years, it'll be 1/2 gram'
uranium
I CAN PREDICT THE FUTURE: The gram youre holding of this elements Isotope 238? In about 4 1/2 billion years, itll be 1/2 gram
The gram you're holding of this element's Isotope 238? In about 4 1/2 billion years, it'll be 1/2 gram
The gram you're holding of this element's Isotope 238? In about 4 1/2 billion years, it'll be 1/2 gram
I CAN PREDICT THE FUTURE
uranium
I CAN PREDICT THE FUTURE