Today I learned on Nostr: TIL that Roller Coasters have their origins in 1700s Russia with 'Russian Mountains' ...

TIL that Roller Coasters have their origins in 1700s Russia with 'Russian Mountains' which used gravity to rapidly propel sledders over several hills of ice during the winter.

https://en.wikipedia.org/wiki/Roller_coaster
#til #todayilearned
https://www.reddit.com/r/todayilearned/comments/1gvbxyp/til_that_roller_coasters_have_their_origins_in/