Arctic Sea Ice Minimum Volumes 1979-2018 [OC]
Greenland sees record-smashing early ice sheet melt | 12% of surface melt in April! WTF???
Arctic Death Spiral - March 2016 - sea ice going away.
Arctic Sea Ice Minimum Volumes 1979-2015 [OC]
Bike propelled by drone gets over 40km/h. Fun experiment, but ebike quieter, more efficient and safer...
Drone powered bike
My first autonomous flight - 4km roundtrip, climb to 210m - educational work in progress!
H500 Quadcopter 4km Test Flight - dual camera
American Corporations are Taking Climate Change Seriously (Sen. Whitehouse's 55th "Time to Wake Up" speech - worth subscribing to)