Uncategorized TIL that 1.7 billion years ago, there was a natural nuclear reactor that ran for a few hundred thousand years. September 29, 2017 scottobear Leave a comment https://en.wikipedia.org/wiki/Natural_nuclear_fission_reactor Share this:Share on Tumblr Email a link to a friend (Opens in new window) Email Share on Reddit (Opens in new window) Reddit More Print (Opens in new window) Print Pocket Share on Telegram (Opens in new window) Telegram Share on WhatsApp (Opens in new window) WhatsApp Share on Mastodon (Opens in new window) Mastodon Like this:Like Loading... Related