This year their eclectic projects will includefire-breathing robots, wearable computers, self-replicating three-dimensional printers (whatever they are) and giant motorised cupcakes.

Almost all amino acids that make up biological proteins, for instance, are left-handed, so a self-replicating biological molecule of right-handed chirality could be suggestive of an alien organism.

They are self-replicating organisms that possess distinctive cultures and unique habits—cultures and habits that are preserved and perfected by a loyal cadre of managers.