A method detects a real object with a wearable electronic device and displays a virtual image of the real object with the real object on a display of the wearable electronic device. The clock synchronization circuit achieves a signal lock with the reference clock signal in less time than the column address strobe latency. At least two of the pressure vessels are in general alignment with one another. The strains possess at least one peroxisome biogenesis factor protein knockout. The game may be played with actual cards or with virtual cards using a programmed electronic game, preferably a casino-style game providing slots, magnetic card readers, or other means for inserting money, chips, or credit numbers to activate the game, and means for paying out winnings, as are known to the art.