John Hartley PhD
@starshipengineer.bsky.social
Physicist, pilot, airplane owner (1966 Beech Debonair)
Topics of interest include foundations of physics, flying, cats, interstellar space flight and the long term survival of humanity.
Topics of interest include foundations of physics, flying, cats, interstellar space flight and the long term survival of humanity.
Brother and sister cat waiting for breakfast
January 18, 2025 at 12:32 PM
Brother and sister cat waiting for breakfast
Takeoff, runway 28 at KAGC, Allegheny county
December 2, 2024 at 5:43 PM
Takeoff, runway 28 at KAGC, Allegheny county