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Re:Roger Penrose Says Physics Is Wrong, From String Theory t... by ktizo on Friday May 04, 2012 @11:43AM (#3928876)
All books are suitable for casually reading on trams, apart from really old and delicate or oversized ones.

I loved 'The Emperors's New Mind' and 'Shadows of the Mind', and did read some of those two while on train journeys, if that helps at all.

Re:Roger Penrose Says Physics Is Wrong, From String Theory t... by jessriedel on Friday May 04, 2012 @12:23PM (#3929102)
The Road to Reality, while certainly not a technical work in the traditional sense, is not light reading.