In a classical material called artificial spin ice, which in
certain phases appears disordered, the material is actually ordered, but in a «topological» form.
Not exact matches
It's also been a mystery why, within this «pseudogap»
phase, the movement of superconducting electrons
appears to be restricted to
certain directions.
There are times when you need to kill
certain enemies but they
phase out of existence before your eyes, only to
appear again a moment later for only a second.
Each level (or
phase) has a
certain number of enemies that will
appear, and as soon as you beat all of them you will get the right to proceed to the next
phase.