The Lead Zeppelin And Buoyancy

The Lead Zeppelin And Buoyancy

When a feather or a plastic bag or almost anything light is placed in water, these items will generally float.  This is easy to understand if you think of water being more dense than the other…
A Paper on Leptonic CP violation

A Paper on Leptonic CP violation

I received from Ravi Kuchimanchi, the author of a paper to be published in Phys. Rev. D, the following summary, and am happy to share it here. The paper is available in the arxiv. Are laws of nature…
Searching For The A Boson

Searching For The A Boson

Besides being a giant triumph of theoretical physics and the definitive seal on the correctness of the Standard Model -at least at the energies at which we are capable of investigating particle…
Project 8 And The Ghost In The Particle Machine

Project 8 And The Ghost In The Particle Machine

Neutrinos are among the more mysterious elementary particles in the universe: Billions of them pass through every cell of our bodies every second, yet these ghostly particles are incredibly difficult…
The Era Of The Atom

The Era Of The Atom

"The era of the atom" is a new book by Piero Martin and Alessandra Viola - for now the book is only printed in Italian (by Il Mulino), but I hope it will soon be translated in English. Piero Martin…
Guess the Plot

Guess the Plot

I used to post on this blog very abstruse graphs from time to time, asking readers to guess what they represented. I don't know why I stopped it - it is fun. So here is a very colourful graph for you…