"He's going to take three Falcon 9s, put them together, and that becomes the Heavy. It's not that easy in rocketry.” As late as 2014, NASA's administrator, Charlie Bolden, dismissed the Falcon Heavy in favor of SLS. Just 4 years later a flawless FH launch ushered a new era for Heavy Lift Vehicles.
Robotic Shoulders May Be The Key to Lab-Made Tendon Grafts
Tiny robotic crab is smallest-ever remote-controlled walking robot