Wooden Walker - Passive Dynamic Walking 

Thanks to this i almost forgot how to walk in pandemic.

I ❤ VHS📼

How much energy is lost when the cams are engaged in the tracks. Great solution.

Wow - quite impressive, where are those researchers now.

Very coOL.👍

....well there’s a blast from the past!

The very first develop on walking machines?

Oh my God a handshake boy

Thank you for real! Amazing!

Se podrá construir un juguete que se movilise?

Hinteresting....!