E. Specker: "The logic of non-simultaneously decidable propositions" (1960)Translation of 'Die Logik Nicht Gleichzeitig Entscheidbarer Aussagen' by Ernst Specker, Dialectica, vol. 14, 239 - 246 (1960).M. P. Seevinck·Mar 22, 2011SaveLearn
The Many Worlds of Hugh Everett IIIA review of Peter Byrne's biography of Hugh Everett III, "The Many Worlds of Hugh Everett III: Multiple Universes, Mutual Assured Destruction, and the Meltdown of a Nuclear Family",…Adrian Kent·Mar 21, 2011SaveLearn
Bruno Touschek: particle physicist and father of the electron-positron colliderThis article gives a brief outline of the life and works of the Austrian physicist Bruno Touschek, who conceived, proposed and, 50 years ago, brought to completion the construction of AdA, the first…Luisa Bonolis, Giulia Pancheri·Mar 14, 2011SaveLearn
126 Arguments Concerning the Motion of the Earth, as presented by Giovanni Battista Riccioli in his 1651 Almagestum NovumIn 1651 the Italian astronomer Giovanni Battista Riccioli published within his Almagestum Novum, a massive 1500 page treatise on astronomy, a discussion of 126 arguments for and against the…Christopher M. Graney·Mar 10, 2011SaveLearn
Do We Need a Scientific Revolution?Many see modern science as having serious defects, intellectual, social, moral. Few see this as having anything to do with the philosophy of science. I argue that many diverse ills of modern science…Nicholas Maxwell·Mar 10, 2011SaveLearn
"Bridging the Gap" through Australian Cultural AstronomyFor more than 50,000 years, Indigenous Australians have incorporated celestial events into their oral traditions and used the motions of celestial bodies for navigation, time-keeping, food economics,…Duane W. Hamacher, Ray P. Norris·Mar 10, 2011SaveLearn
Anderson and Stoner Published White Dwarf Mass Limits Before ChandrasekharIn their engaging recountals of Chandrasekhar's extraordinary career (Physics Today, vol 63, Issue 12, Dec 2010), neither Dyson nor Wali mention that Chandrasekhar was the third person not the…Eric G. Blackman·Mar 7, 2011SaveLearn
The astronomical orientation of the urban plan of AlexandriaAlexander the Great founded Alexandria in 331 BC. The newly founded town was conceived as an orthogonal grid based on a main longitudinal axis, later called Canopic Road. We analyse here the…Luisa Ferro, Giulio Magli·Mar 4, 2011SaveLearn
Explanations from contemporary quantum theories: some ontological characteristicsWe begin by surveying the historical positions in different attempts to understand the material world since the rise of modern science, with specific focus on the role of Cartesian primary qualities…Mladen Domazet·Mar 4, 2011SaveLearn
Time representation on the Beginning of space-time -- From a philosophical and mathematical viewI would like to consider the Beginning of space-time in this paper. First of all, we do consideration historical thought. A lot of philosophers have considered the relation between this real…Tadashi Fujimoto·Mar 4, 2011SaveLearn
Meteoritics and cosmology among the Aboriginal cultures of Central AustraliaThe night sky played an important role in the social structure, oral traditions, and cosmology of the Arrernte and Luritja Aboriginal cultures of Central Australia. A component of this cosmology…Duane W. Hamacher·Mar 3, 2011SaveLearn
Sir John Adams: his legacy to the world of particle acceleratorsJohn Adams acquired an unrivalled reputation for his leading part in designing and constructing the Proton Synchrotron (PS) in CERN's early days. In 1968, and after several years heading a fusion…E. J. N. Wilson·Feb 23, 2011SaveLearn
New evidence for determining of the date of adoption of Christianity as a state religion in GeorgiaAt present it is considered that Christianity was declared a state religion in Georgia in circa 326 AD, during the reign of King Mirian and Queen Nana. In the Georgian Chronicle [1] (Kaukhchishvili,…Gigolashvili Marina, Kiladze Rolan, Ramishvili George et al.·Feb 16, 2011SaveLearn
Consciousness: A Direct Link with Life's Origin?Inspired by the Penrose-Hameroff thesis, we are intuitively led to examine an intriguing correspondence of 'induction' (by fields), with the complex phenomenon of (metabolism-sustained)…A. N. Mitra, Gargi Mitra-Delmotte·Feb 15, 2011SaveLearn
A Village Astronomer: Life and Works of R. G. ChandraIn the present article we provide a brief introduction to the Life and Works of Indian astronomer R. G. Chandra.Sudhindra Nath Biswas, Utpal Mukhopadhyay, Saibal Ray·Feb 11, 2011SaveLearn
Von Neumann, Bell and BohmThis article discusses von Neumann's "proof" that hidden variable theories are impossible.Jeremy Bernstein·Feb 10, 2011SaveLearn
Developing BCS ideas in the former Soviet UnionThe essay is an attempt to re-create the wonderful scientific atmosphere that emerged after the basic BCS ideas first arrived in Russia in 1957. It summarizes the most significant contributions to…Lev P. Gor'kov·Feb 5, 2011SaveLearn
Quarks and quantum statisticsI write about Héctor, his contributions to the early work in the quark model, and a general discussion of quantum statisticsO. W. Greenberg·Feb 3, 2011SaveLearn
Gauge invariant accounts of the Higgs mechanismThe Higgs mechanism gives mass to Yang-Mills gauge bosons. According to the conventional wisdom, this happens through the spontaneous breaking of gauge symmetry. Yet, gauge symmetries merely reflect…Ward Struyve·Feb 1, 2011SaveLearn
The Discovery of Cherenkov Radiation and its use in the detection of extensive air showersCascades of charged particles are created when high-energy cosmic rays enter the earth's atmosphere: these 'extensive air-showers' are studied to gain information on the energy spectrum,…A A Watson·Jan 24, 2011SaveLearn
The Stochastic Universe: Professor A.M. Mathai's 75th BirthdayA brief description and results of A.M. Mathai's research programme on statistics and probability, initiated in the 1970s, and its relation to physics is given.H. J. Haubold·Jan 22, 2011SaveLearn
Geometric Algebra: A natural representation of three-spaceHistorically, there have been many attempts to produce an appropriate mathematical formalism for modeling the nature of physical space, such as Euclid's geometry, Descartes' system of…James M. Chappell, Azhar Iqbal, Derek Abbott·Jan 19, 2011SaveLearn
Symmetries and the Weak InteractionsWe trace the origin of the concept which was named by the High Energy Physics Community "The Cabibbo angle"John Iliopoulos·Jan 18, 2011SaveLearn
Penetrating Radiation on the SeaAt the beginning of the twentieth century, two scientists, the Austrian Victor Hess and the Italian Domenico Pacini, developed two brilliant lines of research independently, leading to the…Domenico Pacini, translated, commented by Michela De Maria et al.·Jan 15, 2011SaveLearn
On the Early History of Current AlgebraThe history of Current Algebra is reviewed up to the appearance of the Adler-Weisberger sum rule. Particular emphasis is given to the role current algebra played for the historical struggle in strong…Herbert Pietschmann·Jan 14, 2011SaveLearn