black body, definition of

In theory, a body that absorbs and emits 100% of the electromagnetic radiation that strikes it and therefore appears black. Graphite comes close, with all but 3% absorption.

• Global annualized temperature – “full of [snip] up to their eyebrows”
  Guest Post by Dr. Robert Brown, Physics Dept. Duke University [elevated from comments] Dr. Brown mentions “global temperature” several times. I’d like to know what he thinks of this. Dr. Brown thinks that this is a very nice piece of … Continue...
• Earth’s baseline black-body model – “a damn hard problem”
  By Robert G. Brown, Duke University (elevated from a WUWT comment) I spent what little of last night that I semi-slept in a learning-dream state chewing over Caballero’s book and radiative transfer, and came to two insights. First, the baseline …...
• A controversial look at Blackbody radiation and Earth minus GHG’s
  On Dec. 6, 2011 12:12 am Lord Monckton posted a comment on a thread entitled Monckton on sensitivity training at Durban that appeared on this blog on Dec. 5, 2011. In that comment he wrote: “First, it is not difficult … Continue reading →
• A Conversation with an Infrared Radiation Expert
  A guest post by Ken Coffman and Mikael Cronholm In clicking around on the Internet, I found an outstanding paper called Thermodynamics of Furnace Tubes – Killing Popular Myths about Furnace Tube Temperature Measurement written by Mikael Cronholm...

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