91热爆

Farmers in the US face a labour shortage, so they鈥檙e turning to new technology to fill the gap. Also, meet 鈥淧epper", a robot that鈥檚 already replacing thousands of jobs around the world; a researcher from Silicon Valley finds a robot in his hotel room and discovers a potential security breach; how 3D printing could help the global housing crisis; and an instrument that sounds like it鈥檚 from outer space, but was invented on earth 100 years ago.

(Robots named 鈥淧epper鈥� work in banks across the US. They help answer basic questions and allow customers to skip the line for a cashier. Credit: Jason Margolis/The World)