Articles tagged "kirchhoff's law"

nine_year_microwave_sky

Dr. Pierre-Marie Robitaille: The Cosmic Microwave Background - EU2014

Ever since Penzias and Wilson discovered that the Earth was surrounded by microwave energy, astronomers have been quick to postulate that the apparent ~3K signal represented the signature of the Big Bang. Yet long ago, Gustav Kirchhoff insisted that the setting of

April 26, 2014

dr_pierre_marie_robitaille_kirchoffs_law

Dr. Pierre-Marie Robitaille: On the Validity of Kirchhoff's Law - EU2014

Kirchhoff's law of thermal emission (formulated in 1860) is presented and demonstrated to be invalid. This law is crucial to our understanding of radiation within arbitrary cavities. Kirchhoff's law rests at the heart of condensed matter physics and

April 05, 2014