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Tommaso DorigoRSS Feed of this column.

Tommaso Dorigo is an experimental particle physicist, who works for the INFN at the University of Padova, and collaborates with the CMS and the SWGO experiments. He is the president of the Read More »

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Attacking for the sake of it

Attacking for the sake of it

Nov 14 2009 | comment(s)

I wish to report here the moves of a game of chess I played on the Internet Chess Club a moment ago, against a similarly rated opponent. This was a 5' game -all your moves have to be done in five minutes, or you lose on time. Under such circumstances, games are ridden with mistakes of all kinds, oversights, strategical blunders, howlers. But sometimes, a game which can be shown with pride appears magically out of sudden inspiration. Here is such an instance.

Tonno - datigoneptraskam, ICC 2009

1.e4 c6 2.d4 d5 3.exd5 cxd5 4.c4 Nf6 5.Nc3 g6
A law about to destroy legality (or what is left of it) in Italy

A law about to destroy legality (or what is left of it) in Italy

Nov 14 2009 | comment(s)

The Berlusconi government is about to force a devastating law through the Italian bicameral system. And I am appalled by the absurdity of the situation and by the straight face these clowns who govern my country have put up.
Pictures Of A Giant Marvel

Pictures Of A Giant Marvel

Nov 12 2009 | comment(s)

Today I got access to a collection of very cool pictures of the CMS detector, one of the two experiments designed and built to study proton-proton collisions delivered by the Large Hadron Collider at CERN.

Many of those pictures, which were taken by Michael Hoch (CERN/CMS) in the last couple of years, have circulated in the web for a long time, and individual ones have been used in several places. However, they are very nice to browse one after the other. And I think they are even more interesting to watch if one has not had the privilege of visiting the giant detector in its underground cavern, during its assembly last year. So I take the liberty of showing them to you here, in case you missed them - or just like to refresh your memory on this technological marvel.
Count to five: a child has died from hunger

Count to five: a child has died from hunger

Nov 11 2009 | comment(s)

Please visit this site, and watch a ten seconds video which is very aggressive in its crude substance: during the time you watch it, two children die of hunger.

There are in the world today a billion human beings who have insufficient means to sustain themselves, their families, their children. This is so intolerable that we use to remove it from our brain. Can you imagine your child dying of hunger as you watch powerless ?
What is going on around

What is going on around

Nov 09 2009 | comment(s)

Today, having little inspiration to write anything original myself, I decided to have a look at what other sites held by colleagues or friends are dealing with. I offer below a few interesting links, with minimal commentary.

  • Peter Woit is always more informed than anybody else, with more precise data available earlier than anywhere else, on the status of the LHC project. I advise you to keep an eye on his blog in the near future.
Why Physicists Like Ratios

Why Physicists Like Ratios

Nov 08 2009 | comment(s)

A good part of basic research in fundamental physics focuses on the definition, the prediction, and the measurement of quantities which put the current theory -the standard model- to the test in the most stringent way possible. The choice of the quantities on which to base our comparisons between theory prediction and measurement is critical: it entails understanding what may make the comparison imprecise (i.e. experimental systematics affecting the measurement) or fruitless (i.e. theoretical assumptions or a bad definition of the quantity to measure).

One clear example, which I used last week in my lessons of Subnuclear Physics to undergraduates in Padova, is the measurement of the W and Z boson cross sections at the Tevatron proton-antiproton collider.