The Cistercian monks invented a numbering system in the 13th century which meant that any number from 1 to 9999 could be written using a single symbol
byu/beattheroot incoolguides
Path through town when no one is around via /r/paths
A twenty-five-thousand-trillion-ton rock, about the size of New Jersey, hit the moon 4 billion years ago. The impact caused molten seas to flow for millions of years. The Apollo 17 astronauts picked up pieces form the shore of that lava ocean, and one of those pieces is now in the White House. via /r/space
A twenty-five-thousand-trillion-ton rock, about the size of New Jersey, hit the moon 4 billion years ago. The impact caused molten seas to flow for millions of years. The Apollo 17 astronauts picked up pieces form the shore of that lava ocean, and one of those pieces is now in the White House.
by inspace