It took a literal rocket scientist to come up with perhaps the best Halloween costume ever -- using iPads to make it look like he has a hole blown through his torso.
The Daily Mail explains how NASA scientist Mark Rober's costume works:
One iPad is attached to the front of the body, one to the back with the screens facing out and then initiating a FaceTime video chat between the two. The effect is that the front iPad displays what's being recorded by the rear iPad and vice versa.
A bloody shirt finishes off the effect. Of course you will have to be in an area where you have a Wi-Fi connection.
Check out video of it: