Easy Magic and Hard Magic

A conversation with Merlin: Me:  Hey, can you conjure up a cow? Merlin: Sure [POOF].  Easy. Me: Cool!  How about a purple cow? Merlin: Oh, hmm.  That’s hard.  Yes, but it will take a while. A conversation with an engineer: Me: Hey, can you make the data come back in date order? Engineer: Sure [clicky […]