Talk:Velocitus/@comment-176.84.95.77-20141116110849/@comment-73.171.123.166-20141119215951

^Relativistic effects affect anything traveling at a sufficient velocity, the effects of which are dictated by the relative velocity of a object, as viewed by the observer, regardless of whether either or both are in space. By traveling on a plane, you experience the effects of time dilation (on the order of fractions of nano-seconds). However the velocities required for any effect to be noticable by the human eye are so freakishly huge that it might as well be impossible, especially if the velocity is generated by an arm-mounted cannon. Another thing: The forces generated by firing such a projectile would tear off your arm, and send you flying straight into Jupiter.