radiation Post author By ScotFagerland Post date July 12, 2022 (Physics): Energy that is unbound to matter and moving at the speed of light. (Biology): The divergence of multiple species from a common ancestor, usually quickly due to a rapid change of environment. Related Articles: HLGTW CitationsUnderstanding Gravitational WavesCoronavirus Primer, Part 1: BackgroundWhat’s the largest organized human collective, ever? ← light-year → secret trillionaire fallacy