All Things Are Knowable

A new app suddenly appeared on Liu Ming's phone. He pointed it at the guppies in his fish tank and snapped a picture. What? A Beidou guppy? A genetically mutated variety? He took a picture of a random uncut stone he'd bought. Lei Gong inkstone? Formed when a comet struck the earth? The Spear of God? Crop circles? With this app, it seemed there were no secrets left in the world for him...