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Recent Articles

Conversations With Exelon

Eli sat in on an interesting conversation last week at the Brookings Institution involving Chris Crane the Exelon CEO.  Exelon is a large electricity generator and supplier in the US with over $30 billion in revenue and a large fleet…

Eli’s Thermo Class Is In Session

Lately Eli has been playing Clarissa, explaining all the thermochaff thrown up against the wall by his friends the confused.  First it was the Green Plate Effect showing how the presence of a colder third body decreases the cooling rate…

Mongolia: land of Priuses and coal

The headline is the answer to where we spent our summer vacation: two weeks in Mongolia, finishing with a week in South Korea.Lots that could be said. Maybe the most blog-relevant though was the astounding number of Priuses (my favored…

Heat Has No Hair

Among physicists and chemists, well at least the theoretical side of the latter it is well known that electrons have no hair by which is meant that a bunny can't tell one electron from another.  This has serious consequences in…

The Simplest Green Plate Effect

Sometime ago Eli created a simple example of how the presence of a colder body can limit the rate at which a warmer one emits energy.  If the warmer body is receiving energy at a constant rate, then the steady…

Administrivia

Yes, Rabett Run has a full time administrator, but he sleeps a lot being very old.  Thus Eli has removed the comment notification gadget because the spam is getting fierce and it was exceedingly annoying. Read the damn topnotch posts and…

Interesting Times in the Arctic

Well, after what has been a boring melt season, maybe even Neven thinks so, the Northern Hemisphere heat wave appears to have created some interesting times (in the sense of the Chinese curse, may you live in interesting times) at…

Public Access Policies for NASA

At least for the physical sciences public access policies are fairly recent and not at all clear.  This became obvious to Eli in a recent Twitter exchange and indeed, shows that many have not read the FAQ.Note, that these are…

The End of Physics

Science is maybe only three times as old as Eli (Eli is very old, has he mentioned that recently) maybe 5 if you count back to Newton.  About a month and a half ago, the Bunny pointed out that physics…

On Records

A distinguishing mark of a new record in a time series is that it exceeds all previous values another is that the first value in a time series is always a record.  Given a stationary situation with nothing except chance,…

The Betts Test

Having engaged himself in a worthy round of hole digging while trying to explain why he never used what he himself acknowledged as the excellent Skeptical Science’s explanations about climate issues, Richard Betts fell back on defending Ethon’s favorite, Roger…

Hansen 1988 Retrouvé

Celebrating the 30th anniversary of the 1988 publication of Global climate changes as forecast by Goddard Institute for Space Studies three-dimensional model Hansen, J., I. Fung, A. Lacis, D. Rind, S. Lebedeff, R. Ruedy, G. Russell, and P. Stone Eli…

Physics is the Simplest Science

Physics is the simplest science, a hard won truth that Eli has reached after many years in many fields. A bunny can do a lot of physics with pencil and paper, maybe even without those if enough homework has been…

Tobis’ Rule

MT has come up with an interesting observation, which Eli has dubbed Tobis' Rule If a large data set speaks convincingly against you find a smaller and noisier one that you can huffily cite.There are any number of wonderful examples of…