Hui Hu picked up a 3-D printed model of a typical wind turbine and began explaining two problems with the big, tall, three-bladed machines.
Is it a flying car or a driving aircraft? Either way, the Personal Air and Land Vehicle, or PAL-V for short, has just proved it can handle the skies as well as the highway, both at up to 180 kilometres (112 miles) per hour, ...
Tech-savvy TED-goers watched in wonder as flying robots darted through tossed hoops, worked together in swarms and even formed a band to play trademark "James Bond" film theme music.
A Japanese security company plans to rent out a private drone that takes off when intruder alarms are tripped and records footage of break-ins as they happen, a spokeswoman said on Thursday.
A thin coating of graphene nanoribbons in epoxy developed at Rice University has proven effective at melting ice on a helicopter blade.