Field guide No. 1193
Spare breath
Smoke from the pruned stems.
Cut tips of thorny winter brambles each give off a small cloud of breath in the frost. The bush is evidently still warm and not telling anyone.
Field notePruned bramble tips exhale small clouds in the frost. The bush is warm and not telling anyone.
Also possible, also breaking physics
Silver fish in the projector beamFish swim along the projector beam as though light were a current. Their shadows are the film.
An elephant leaves square footprintsEach print behind the elephant is a neat square. Round was considered and declined.
A horizontal hourglass defies gravityHourglasses stop when laid flat; this one pours sideways and even leaks a trickle past the glass.
Dunes defying gravityLoose sand slumps to its angle of repose. These walls ignore the angle entirely.