Safe and efficient integration of Unmanned Aircraft Systems (UAS) into Civil Airspace is a key challenge for unleashing their potential for non-military applications  “without reducing existing capacity, decreasing safety, impacting current operators, or placing other airspace users or persons and property on the ground at increased risk” Sense and avoid technology  …

Wind is a emerging as a reliable and inexpensive source of renewable energy. Globally, the average cost of wind is $83 per megawatt-hour compared to averages for coal and gas being $84 and $98 respectively. “In the USA, gas is slightly cheaper than wind but this is the only large …

In November of 2016 Nature reported that the results of experiments in Beijing, in which a wireless brain implant — that stimulates electrodes in the leg by recreating signals recorded from the brain — has enabled monkeys with spinal-cord injuries to walk. “They have demonstrated that the animals can regain …