Michael plays a pool shot and the white gets tucked up behind another ball. Without playing any other shots, the white suddenly appears free, at the other end of the table.
When other Sam is first introduced as Michael's ex-fiancée, the caption incorrectly uses the masculine form of the noun, fiancé.
While a disposable camera's capacitor can be turned into a makeshift stun-gun, they are nowhere near as loud or powerful as displayed; They're far more akin to a prank buzzer than a taser.
Clean room suits are designed to go over street clothes, there is no need to strip down to underwear as depicted in the gratuitous semi-nude scene.
When Michael used the modified camera/stunner on Victor he should have also been affected by the current given the contact of the bodies.