Summary: Holiday time already? Indeed, nod the sagely psychoanalytic faces on Freudian slippers. Tick, tick, time's a-wasting, reminds the oversized face of the gear clock. Hurry, don't be late! squawk the adorable plush emperor penguins--they're about to start their winter migration and don't want to be left off your gift list. These are just a handful of the treasures you’ll find on this year's roundup of the best holiday presents for the science- and technology-minded.