James T. McKenna retweeted
Neil is one of the worst things to ever happen to scicomm. Just stop man
Equal transit theory is totally wrong
For starters, the air on the top of the wing *doesn't* reach the trailing edge at the same time as the air on the bottom
Also to generate enough lift to take off purely from this force, you'd need to be going supersonic (at which point the flow is totally different anyway)
Oh dear.... @neiltyson teaching that wings work through the fallacy of equal transit theory. As if the atoms in one piece of air somehow know what the atoms in in the air on the other side of a wing are doing.
We have enough problems with new pilots getting this strange unphysical idea without someone who'd supposed to have a degree in this promoting this as a fact.
James T. McKenna retweeted
Replying to @DJSnM
Neil thinks his lane is all the lanes, all the time, him only. Scott, your degree could be in Sanskrit; I'd still find your knowledge and analysis in many subject more compelling than Neil because you never fail to consider you could be wrong about something. Neil stopped learning a long time ago when he assumed he knew it all.
Congrats to the Starship team on IFT-3. As @SpaceX racks up more achievements, might consider ratcheting back the happy-face commentary. Grinning after video that raised Qs about structural/attitude-control integrity feels bogus. Serve info up straight. Ad astra
“It’s so easy to blame human error,”@NTSB Chair Jennifer Homendy says, kicking off #ISASI2023 in Nashville, a gathering of 330+ air safety investigators and guests from 41 countries.
“Human error is a symptom of a system that needs to be redesigned,” Homendy told the Int’l Society of Air Safety Investigators’ annual seminar. “We must seek out the factors behind why the human error occurred.”
The “Accidents: The Current Which Lies Beneath” seminar includes sessions on AI in #aviationsafety, language factors in accidents, #cabinsafety and wet-runway #overruns. Www.isasi.org
James T. McKenna retweeted
Off to Nashville tomorrow for the International Society of Air Safety Investigators tomorrow until Thursday. I will not be wearing a suit in that heat. – at Barrie, Ontario
James T. McKenna retweeted
Replying to @MSNOWNews
@MSNBC Retire Andrea Mitchell and your ratings will go up. Period.
Sam Castan shot this in May 1966 — U.S. Army soldiers of Company C, 1st Battalion, 12th Cavalry. (It’s cropped.) A Look magazine senior editor, Castan traveled with their mortar platoon Landing Zone Hereford in south central Vietnam. #MemorialDay 1/6
Castan was 30 years old when he died. Born in Brooklyn to Sam and Estelle Castagna, he is remembered, among other ways, by the Sam Castan Memorial Award, given by Brooklyn College to graduating seniors for excellence in journalism. 5/6
President Lyndon B. Johnson after his death said Castan had joined “a distinguished legion of correspondents whose names illuminate the eternal creed of freedom.” #RememberTheFallen 6/6
James T. McKenna retweeted
Happy Birthday to Igor Sikorsky, born in 1889.
“If you are in trouble anywhere in the world, an airplane can fly over and drop flowers, but a helicopter can land and save your life.”
Two @SpaceX (+@FAANews?) Qs after #Starship's loss: Whence the flight termination system? The rocket flipped 3 times; it was halfway thru a 4th before BOOM. Did the FTS blow it up? If so, why did it take 90+ seconds to destroy an obviously out-of-control rocket? @NASASpaceflight
James T. McKenna retweeted
In the spirit of #SaintPatricksDay, enjoy this shamrock-shaped green aurora I photographed on Expedition-6 to the @Space_Station in 2003. Auroras are common phenomena for orbital #astrophotography, but how often can you see one with a distinct "stem" and body?
Is U.S. helicopter flying getting safer? Maybe. Recent @IHST_helicopter analysis, shared at #HAIExpo23, showed the fatal accident rate fell thru 2H2022 and 2023's start. Why? That's a question for helo operators and pilots. Also, will the gains persist? bit.ly/3ZS53Vr














