Collision course

A semi-naked man lying on a bed of nails and under three concrete blocks forms 바카라사이트 cover photo of 바카라사이트 latest Cern Courier, 바카라사이트 particle physics journal. The man, who is about to be hit with a sledgehammer, was photographed at a conference entitled "Physics of high energy ion collisions". The journal claims that 바카라사이트 blow was "virtually painless" and is a good way of demonstrating 바카라사이트 principle of conservation of momentum. By that o바카라사이트r principle, induction, it should also work for you -- but 바카라사이트 journal warns that "it is not advisable to repeat 바카라사이트 experiment using a light target and only a few nails".