Huh. I immediately thought 'bullshit' and googled it, but Wikipedia says that yes, treadmills were invented in the UK in 1818 for prison labor. But depending o

Huh. I immediately thought 'bullshit' and googled it, but Wikipedia says that yes, treadmills were invented in the UK in 1818 for prison labor. But depending on how you define a treadmill, I don't think that's true; beasts of burden have been walking in circles to drive mills since people started cultivating wheat.