👉 The term "infranodal" is used in physics to describe a situation where two or more particles move through each other at speeds approaching but not equal to the speed of light. This phenomenon is known as the Doppler effect, after the German physicist Heinrich Doppler, who first described it in 1897. In this context, "infranodal" refers to a situation where two or more particles are moving through each other at speeds approaching but not equal to the
