Robot meets 30 foot cliff

Boston Dynamics, a leading robot maker funded by the US Army, filmed two of its latest devices navigating rough terrain.

The Sand Flea Jumping Robot uses a novel approach to get over obstacles, by leaping over them. The robot is capable of jumping 30 feet.

The RHex Rough-Terrain Robot has a lot to recommend about it. It uses a try, try again approach to obstacles.

Using a hockey metaphor, it is grinder. It doesn't have any fancy plays or manoeuvres. Rather, it just uses dogged persistence to get where it wants to go.

Both devices are being funded by the US Army's Rapid Equipping Force.