Here’s a little game that will train your visual memory and show you some of the things you can see if you look at metals. Although our metallographical studies are of the less spectacular kind, focusing mostly on non-metallic inclusions, we take solace in knowing we could do the cool color etches if we wanted to.
That’s hard! And of course part of the puzzle is figuring out the directions….
I tried it only once and managed in 55 tries. Then I got sidetracked by the question of how many tries are necessary if you play a perfect game…
88 tries