If an underwater robot has a task to perform, such as opening a stuck valve or repairing a leaking pipe, it must anchor itself so it can apply force without the reaction pushing it away
Many military robots rely on flexible, flat cables from Cicoil Corp., Valencia, Calif. The cables’ form factor makes them lightweight and compact, which saves space and power
E-volvo, a German firm, has totally redesigned the helicopter. Its multicopter boasts 16 electrically powered propellers divided into four groups of four
Estes Industries, Penrose, Colo., has been making rocket motors and kits for kids and hobbyists. Among its latest offerings is the Xarconian Cruiser, which uses the standard Estes rocket motor, but has a main body and laser-cut wood fins
After more than 85 years, Goodyear is retiring its world-renowned fleet of blimps. It’s replacing them with larger, semirigid, but still lighter-than-air Zeppelins.