rt is an n-dimensional raytracer.

RT is the product of the molar gas constant, R, and the temperature, T. This product is used in physics as a scaling factor for energy values in macroscopic scale (sometimes it is used as a pseudo-unit of energy), as many processes and phenomena depends not on the energy alone, but on the ratio of energy and RT, i.e. E/RT.

Radiography Testing

Radiation-Tolerant

Real-time