Boston Dynamicsのロボット「RHex」は、いろんな地形を走れるすごいやつです。

tbd

Boston Dynamic's robot, RHex, is an amazing piece of work that can run over various terrains.

暖かい軽い空気は山越えすると上空に上昇し、地上には下りてこないことなど、風は地形によって変わります。

tbd

When warm, light, air crosses mountains it rises into the upper atmosphere and does not fall back to the ground. In this, and other, ways wind changes with the terrain.

それからその路線の通る最良の道筋を決める必要がある。それは何よりもその路線が通る地形によって決まる。

tbd

It then became necessary to settle the best route for the line to follow; and that was determined, in the first place, by the shape of the land it had to cross.