Recent content by ScientistMan

  1. S

    How has Earth's core stayed as hot as the sun's surface for billions of years?

    Given the difference in half life between U235 and U238, it is common knowledge that the natural uranium enrichment was much higher early in the earth's life. Just like there were natural reactors in 'operation' at that time (like Oklo in Gabon), perhaps the entire core (pardon the pun) was one...