Everything is impossible until it’s not.
Heavier than air flight was ‘impossible’.
Speeds faster than 60 mph would kill people by suffocating them.
Iron boats will never float...................
IDK
“Speeds faster than 60 mph would kill people by suffocating them.”
Driving @ 90-100 mph or more, even “alone” on a track, kinda takes my breath away.
YMMV.