"The 28-nm chip consists of 156 FCores, containing approximately 40,000 neurons and 10 million synapses" I am dying to know where they are harvesting these fro

"The 28-nm chip consists of 156 FCores, containing approximately 40,000 neurons and 10 million synapses" I am dying to know where they are harvesting these from? (yes, there is a pun hiding in the sentence above)