An interesting observation I made while in chemistry lab was that volatile liquids follow a type of "relativity theory." Imagine temperature (T) as the speed of light (C) in this thought experiment. So, as the heated water approaches T>100 degrees Celsius, the water converts to another state of matter -- gas -- before the temperature is reached (that is, it is a limit and so is never reached, similar to C). Compare: The speed of an individual water particle cannot exceed 100 degrees Celsius whereas, in ToR, the speed of the particle cannot exceed C. As more thermal energy [E] is added to the liquid, the rate of evaporation (dr/dt) increases, rather than T of liquid. Analogously, as particles approach speed C, only the rate of conversion of energy to matter increases, rather than particle speed after a certain point -- say 99.99% of C. (dr/dt) increases as a function of E after a certain temperature threshold. Some further ranting: The particle possibly acquires wave-particle duality at that speed. Since mass is particulate and pure energy is wave-like, the particle seems to need wave-particle duality for the interconversion between matter and energy. Could all particles acquire wave-particle duality when sufficiently accelerated?