1 Comment TIL Mount St. Helens is a non-technical climb and it takes most climbers 8 to 12 hours roundtrip to hike to summit, but entry into the crater is strictly prohibited by whatilearned July 30, 2022, 10:54 pm 7 Points Upvote Downvote
4 Comments TIL nobody yet measured speed of light one way and it is by definition based on roundtrip time dating back to 1905 Einstein’s paper by whatilearned October 2, 2021, 11:59 pm 12 Points Upvote Downvote
3 Comments TIL about John Simpkins, an artist who was the sole resident of a ghost town in Andrews, Oregon. A roundtrip venture to the closest grocery store is about 300 miles. by whatilearned June 9, 2021, 5:23 am 12 Points Upvote Downvote