Field guide No. 1585
Loose change
Spent, then bent
Six copper coins lie on black felt, each twisted into a loop or knot with the milled edge still on. Somebody found a way to keep change that cannot be spent.
Field noteCopper coins twisted like ribbon, milled edges still running round the loop.
Also possible, also breaking material
Paper plane in origami mudMud can hold folds until rain returns. The plane has a runway of damp paper.
BackwashSandbreak curls like surf inside a drained swimming pool.
High water markAsphalt sets flat, but around this drain it froze in rings like a dropped pebble.
The inflated highwayTarmac cracks long before it swells. Blown up like a lilo, it’s behaving like rubber.