La fisica dei perplessi
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Dopo più di un secolo, la fisica si è ormai abituata a scendere a patti con le implicazioni della meccanica quantistica, perché questa teoria controintuitiva si è dimostrata solidissima e perfettamente adeguata a descrivere i fenomeni della materia. Ma chi non ha avuto in sorte l’occasione di studiare fisica è piuttosto perplesso, e fa bene ad esserlo. In che senso una particella può passare da due parti contemporaneamente? Cosa vuol dire esattamente che un corpo si comporta simultaneamente come un’onda del mare e come un granello di materia? Ma davvero il gatto nella scatola è allo stesso tempo vivo-e-morto finché non lo guardiamo?
Sembra Star Trek e invece è il mondo reale, benché ci sia pure il teletrasporto. Questa è la materia ideale per uno straordinario divulgatore come Al-Khalili, perfettamente a suo agio con l’ironia implicita del materiale che racconta. Il grande fisico inglese si cimenta ancora una volta coi paradossi della fisica, facendosi accompagnare, con brevi saggi illuminanti, da invitati d’eccezione, come Anton Zeilinger, Frank Close e Paul Davies.
- ISBN: 8833933806
- Casa Editrice: Bollati Boringhieri
- Pagine: 288
Recensioni
Nice introduction to the main elements of quantum mechanics. The part about the different interpretations of quantum mechanics is really interesting and masterfully accomplished; it should also be pointed out that this is one of the few very books on the subject that do not fall into the usual trap
This book made my brain hurt. Seriously. I simultaneously realized how smart and creative theoretical physicists really are, and my little brain pales in comparison. I really couldn't rate this book in all fairness because I'm way too conflicted about it. The author had a wonderful voice, and the boo Leggi tutto
"Quantum Physics"... the term causes many people to either roll their eyes in an expression of pointlessness, or to just fall asleep for lack of seeing any applicable use, or to drift into apathy from an assumption that the subject is far beyond their ability to grasp. That is unfortunately because
after discussion of the double slit experiment, the author talks about the birth of quantum physics and who should be credited with what. interesting.... Al-Khalili argues that the tradition wave-particle view being the main feature of quantum physics is limited (and has somewhat poisoned the water i Leggi tutto
A great book that introduces you to Quantum Physics, and as usual Jim's way is amazing, simple, clear and beautiful. You will not get bored with this book, not even if you haven't heard of Quantum, and on the other hand this book answers so many questions that you might have if you heard those stori Leggi tutto
The first half of this book (through interpretations of quantum mechanics) is quite good. Al-Kahlili explains the history, experiments, and nature of quantum mechanics in a clear, layman's manner. Oftentimes, explanations can become more complicated when not relying on the math, but he does it clear Leggi tutto
my brain hurts
I used to be quite fascinated with UFOs, paranormal, conspiracy theories and such like. While Forteana still interests me the utter banality and fantasy (or nowadays unpleasantness) of the rest has lost its appeal. Fortunately I discovered the world of Quantum Physics which offers more empirical wei Leggi tutto
As an avid fan of physics since my adolescence, this book is impressive as a gate to the mysterious (and somewhat new) world of quantam physics. Throw all classical Newtonian physics aside and stare in awe and wonder as the author/theoretical physicist helps you find some solace in this intriguing w Leggi tutto
I was fortunate enough to see Jim Al-Khalili speak about quantum mechanics a few months ago. The lecture hall was full to bursting, so I sat on the cold hard steps. An hour later I'd been treated to a fast-paced tour through fundamental physics and its possible applications to other sciences; and ye Leggi tutto
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