There are a lot of videos that offer how-tos and hacks for creating a relatively affordable bullet time effect by marshaling a little technological ingenuity. This one from last year is probably more elaborate an effort than most people will care to make: in a bit over five minutes, you can watch the condensed six month process, which comes with a recipe-like ingredient list up front: 40 tin cans, 10.8 kilograms of sawdust, using 60 meters of 35mm film and so on.