"Things You Wouldn't Know If We Didn't Blog Intermittently."
Big Dog (2009)
The Sand Flea (2012)
Spot Mini (2016)
I see they're no longer hitting then with sticks or pushing them around..
The robot abuse still goes on, just not in that video. That is one reason why Google divested themselves of BD so so quickly.
Prototypes running off battery packs... very impressive.