Extinction Rebellion says it will stage a 10-day demonstration unless expansion plans are cancelled. View original article at BBC World News

There’s nothing new, ever. It’s all been done. But that doesn’t mean you can’t invent something interesting. A case in point is the Motor Synth, a crowdfunding project from Gamechanger Audio. It’s what you get when you combine advanced quadcopter technology with the market for modular and semi-modular synthesizers. The core feature of the Motor Synth is an octet of brushless motors tucked behind a plexiglass window. These (either through an electromagnetic pickup or something slightly more clever) produce a tone, giving the Motor Synth four-note polyphony with…

Recently the MAVLab (Micro Air Vehicle Laboratory) at the Technical University of Delft in the Netherlands proudly proclaimed having made an autonomic drone that’s a mere 72 grams in weight. The best part? It’s designed to take part in drone races. What this means is that using a single camera and onboard processing, this little drone with a diameter of 10 centimeters has to navigate the course, while avoiding obstacles. To achieve this goal, they took an Eachine trashcan drone, replacing its camera with an open source JeVois…

The drone is attached to the two kites via a tether, which are each able to maintain flight at different altitudes. Facebook says it would be cheaper and more lightweight than traditional aircraft. View original article at Daily Mail Online

A sea lion hunts for its next meal in the middle of a salmon bait ball.         View original article at USA Today