Re-calculating the transformation of co-ordinates without assuming a constant speed of light, but complying with known laws of physics within the guidelines of universal principles was the challenge. Complete success was achieved. Deriving the transformations of lengths and times between moving frames were investigated by several methods and produced consistent results that differed from historical factors. The new results, confirmed in triplicate, enable the two energy equations to predict the same change in energy in all frames and comply with universal principles of physics, whereas the Lorentz-Einstein method fails to satisfy either of these criteria; they predict contradictory results in moving frames of reference, therefore their assumptions are not valid.
