I thought I'd posted this hours ago :( hahah great reply bee utey!. Who ever thought you'd use a laser for reading info off a plastic disc!? or even microwaves for cooking?
Perhaps it could be used for frictionless travel on trains, motor parts, personal aircraft, direcitonal controlled cars of the future (as long as it leaves a vapour trail eh?), the mind starts to wander doesn't it but I do like the idea of passing stuff along the table :)

