Home » BBC News - Technology » technology news » Nasa’s Valkyrie robot could help build Mars base Nasa’s Valkyrie robot could help build Mars base Unknown 4:35 PM BBC News - Technology technology news The semi-autonomous robot is able to use human tools and guide itself across difficult terrain. from BBC News - Technology https://ift.tt/2YsUw2U Share: Facebook Twitter Google+ StumbleUpon Digg Delicious LinkedIn Reddit Technorati