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@chris@mstdn.chrisalemany.ca
2026-01-06 20:42:52

TIL: DeHavilland Dash 8 aircraft have a much larger range than I thought. Just noticed an Air Canada Jazz flight from Vancouver to Winnipeg (JZA7110). That's about 1900km.
I look because turbo-props like the DH8 (aka Q400) are more fuel efficient and have lower CO2 emissions than jets. They also fly lower, generally around 20 - 25,000ft, so lessen the stratospheric pollution vs. 30-40,000ft.
#ClimateAction #CarbonEmissions #Flying #Bombardier #DeHavilland #Dash8 #flying

@mpsgoettingen@academiccloud.social
2026-01-26 15:20:08

Now available for viewing for free on Youtube: "Sunrise - At the Frontiers of Feasibility"
youtube.com/watch?v=XPIW-Ev4sbA
A one-and-a-half hour documentary on how an international consortium led by the Max Planck Institute for Solar System Research is planning the…

Screenshot of a frame of the Youtube movie. It shows the Sunrise III telescope hanging from a specialised carrier vehicle on a vast flat range. A large stratospheric balloon is seen slowly inflating in the background.