elirabett

Recent Articles

A thing of beauty

Sabrine Hossenfelder's new book, Lost in Math:  How Beauty Leads Physics Astray is stirring up quite a stir with multiple reviews.  Hossenfelder has recently stuck her oar into the question about whether a new supercollider should be built as a…

There he goes again v.93 p.1221….

On his last visit, but before leaving Ethon described a wonderful piece of misdirection from our friend in Colorado, who asks for advice on improving this:No emissions reduction policy currently under discussion – from changes in personal behavior to those…

CA HSR, RIP (kind of)

So just as high speed rail gets a political lift via the Green New Deal, the one active effort bites the dust in California. Read the link though, it's not entirely dead - Newsom committed to a strange little stretch…

Making Tracks in the US

So with the Green New Deal on the street there is considerable talk about improving railroad travel.  Eli has a couple of perhaps odd points to make.First high density is NOT something that is needed for fast trains, as a…

The left imitating Republicans

I probably should prove something beyond just my sense that it's happening, but I feel that the left side of the political spectrum, a little or a lot closer to where I belong than the other side, is becoming more…

Horn tooting

In today's San Jose Mercury News (moderately climate-related):Opinion: Follow the will of voters and protect San Jose’s Coyote ValleyThe 7,400-acre valley stretching from San Jose to Morgan Hill feeds our foothills and provides crucial drinking waterBy BRIAN SCHMIDT  As the…

Gavin Explains It All

Well, Eli is retired so he is outsourcing to Gavin Schmidt who,explained it all in a series of tweets with the BlackPhysicists Tweeter.  They actually, between them had a real conversation of value, which Eli here unrolls.  Below the BlackPhysicists…

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…