Comment on xkcd #3147: Hiking
Friction cooling.
i don’t know if they tore it down yet, but 30 years ago there was a great park a few towns over with a long cement downhill. don’t know what it was from, but if you brought cardboard you could slide down it without (usually) hurting yourself.
HeyThisIsntTheYMCA@lemmy.world 4 weeks ago
i don’t know if they tore it down yet, but 30 years ago there was a great park a few towns over with a long cement downhill. don’t know what it was from, but if you brought cardboard you could slide down it without (usually) hurting yourself.