I'm Still ........ Collating

On This Day In History
1964: The Beatles arrive in New York

Quote Of The Day
"Dolls with no little girls around to mind them were sort of creepy under any conditions."
(Stephen King)

Hypothesis: All objects in the universe, both natural and constructed, can be categorised into the following states:

Linear and flexible

Linear and rigid

Curved and flexible

Curved and rigid

Rigid and wibbly wobbly