Eli5 what makes it harder to walk on a beam above emptiness then to walk on the street? Only mind trick?

Question

Eli5 what makes it harder to walk on a beam above emptiness then to walk on the street? Only mind trick?

In: 135

Answer 1

If you have an equal amount of room then physically there’s no difference. However if you have no perceptual references, compounded with the nerves that come with standing above an infinite void, balancing becomes very difficult.