Field guide No. 771

A tall waterfall pours over a basalt cliff and stops dead in a straight line halfway down, leaving the pool below flat and still. Something switched it off.

Waterfall severed above a silent pool

Paused partway down.

A tall waterfall pours over a basalt cliff and stops dead in a straight line halfway down, leaving the pool below flat and still. Something switched it off.

Field noteWater that falls keeps falling. This stops in a ruled line in mid-air, and the pool goes without.

Specimen
No. 771
Kind
Impossible (the round square kind)
Breaks
Physics
Where it doesn’t exist
A basalt gorge with a still pool.
Nearest existing relative
A waterfall.
Filed in Fresh slop as
Spaces

Also impossible, also breaking physics