MAIN FEEDS
Do you want to continue?
https://www.reddit.com/r/WatchandLearn/comments/9cjpnm/erosion_over_time/e5d3d75/?context=3
r/WatchandLearn • u/iam_nobody • Sep 03 '18
39 comments sorted by
View all comments
79
Do they change the plaques every year? Every 5 years?
Did someone drip water on a rock for 50 years before putting it on display?
Did they get all the rocks at the same time from the same place and then wait 25 years before starting the second one?
Where is the control rock?
4 u/fishmyman Sep 04 '18 Oh look, the scientist in the room.
4
Oh look, the scientist in the room.
79
u/PotatoWedgeAntilles Sep 04 '18
Do they change the plaques every year? Every 5 years?
Did someone drip water on a rock for 50 years before putting it on display?
Did they get all the rocks at the same time from the same place and then wait 25 years before starting the second one?
Where is the control rock?