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Easton, MA, United States

Stonehill College is a private, non-profit, coeducational, Roman Catholic, liberal arts college located in Easton, Massachusetts, United States, founded in 1948. Situated in Easton, Massachusetts, a suburban community of 25,710 people, Stonehill is located 22 miles south of Boston on a 375-acre campus, the original estate of Frederick Lothrop Ames. The campus map highlights 29 buildings that complement the original Georgian-style Ames mansion.Stonehill College was founded in 1948 by the Congregation of Holy Cross, whose members established the University of Notre Dame .Other Holy Cross Colleges include Our Lady of Holy Cross College , King's College , the University of Portland, Saint Mary's College , St. Edward's University, Holy Cross College , and Stonehill's sister school, the University of Notre Dame, where Stonehill's engineering majors spend their last four semesters of undergraduate education. Wikipedia.

What moved Copernicus to switch from the time-honored geocentric to a heliocentric setup for the planetary system? He himself did not explain this momentous move in any detail—his only comments about it suggest that Ptolemy’s complete solution to the problem of nonuniform motion, the equant model, led him to propose Earth’s annual motion around the Sun. The most widely accepted accounts of the origin of Copernicus’s theory dismiss or dispute any direct relation between the principle of uniform motion and the heliocentric theory. Two scholars, the Polish expert on Copernicus Ludwik Antoni Birkenmajer (1855–1929) and the American historian of astronomy Curtis Wilson (1921–2012), constructed detailed arguments about how Copernicus’s rejection of Ptolemy’s solution led him to his theory. The principal aim of this essay is to reintroduce Birkenmajer’s and Wilson’s voices to the discussion of the origin of Copernicus’s heliocentrism. © 2016 by The History of Science Society. Source

Mercadante M.A.,University of Connecticut | Kelly C.B.,University of Connecticut | Bobbitt J.M.,University of Connecticut | Tilley L.J.,Stonehill College | And 2 more authors.
Nature Protocols | Year: 2013

We describe the synthesis of the lesser-known stoichiometric oxidation reagent 4-Acetamido-2,2,6,6-tetramethylpiperidine-1-oxoammonium tetrafluoroborate (1, Bobbitt's salt), as well as of 4-Acetamido-(2,2,6,6- tetramethyl-piperidin-1-yl)oxyl (2, AcNH-TEMPO). Several representative oxidation reactions are also presented to demonstrate the salt's oxidative capabilities. Bobbitt's salt has a range of applications, from the oxidation of various alcohols to their corresponding carbonyl derivatives to the oxidative cleavage of benzyl ethers, whereas 2 has been shown to serve as a catalytic or stoichiometric oxidant. The oxyl radical can be obtained in 85% yield over two steps on a 1-mole scale from commercially available 4-Amino-2,2,6,6- tetramethylpiperidine (5), and is far more cost-effective to prepare in-house than purchase commercially. An additional step converts the oxyl radical into the oxoammonium salt (1, Bobbitt's salt) in 88% yield, with an overall yield of 75%. The synthesis of the salt takes ∼5 d to complete. Oxoammonium salts are metal-free, nontoxic and environmentally friendly oxidants. Preparation of 1 is also inherently ′green′, as water can be used as the solvent and the use of environmentally unfriendly materials is minimal. Moreover, after it has been used, the spent oxidant can be recovered and used to regenerate 1, thereby making the process recyclable. © 2013 Nature America, Inc. All rights reserved. Source

Twyman-Ghoshal A.A.,Stonehill College | Pierce G.,Northeastern University
British Journal of Criminology | Year: 2014

The accurate monitoring of piracy tactics is imperative for understanding the changing nature of piracy. Using the most comprehensive, global piracy data set available to date-the Contemporary Maritime Piracy Database (CMPD), this article documents the change in piracy, identifying that the new form of piracy that emerged in the 1990s became the dominant type of piracy in the study period. The CMPD suggests that even though the escalation of piracy in Somalia has affected the profile of piracy overall, other forms of piracy, which display a different set of characteristics, still remain. © 2014 The Author. Source

Uribe-Patarroyo N.,Boston University | Fraine A.,Boston University | Simon D.S.,Boston University | Simon D.S.,Stonehill College | And 2 more authors.
Physical Review Letters | Year: 2013

Using spontaneous parametric down-conversion as a source of correlated photon pairs, correlations are measured between the orbital angular momentum (OAM) in a target beam (which contains an unknown object) and that in an empty reference beam. Unlike previous studies, the effects of the object on off-diagonal elements of the OAM correlation matrix are examined. Because of the presence of the object, terms appear in which the signal and idler OAM do not add up to that of the pump. Using these off-diagonal correlations, the potential for high-efficiency object identification by means of correlated OAM states is experimentally demonstrated for the first time. The higher-dimensional OAM Hilbert space enhances the information capacity of this approach, while the presence of the off-diagonal correlations allows for recognition of specific spatial signatures present in the object. In particular, this allows the detection of discrete rotational symmetries and the efficient evaluation of multiple azimuthal Fourier coefficients using fewer resources than in conventional pixel-by-pixel imaging. This represents a demonstration of sparse sensing using OAM states, as well as being the first correlated OAM experiment to measure properties of a real, stand-alone object, a necessary first step toward correlated OAM-based remote sensing. © 2013 American Physical Society. Source

Simon D.S.,Boston University | Simon D.S.,Stonehill College | Sergienko A.V.,Boston University
Physical Review A - Atomic, Molecular, and Optical Physics | Year: 2012

The concept of correlated two-photon spiral imaging is introduced. We begin by analyzing the joint orbital angular momentum (OAM) spectrum of correlated photon pairs. The mutual information carried by the photon pairs is evaluated, and it is shown that when an object is placed in one of the beam paths the value of the mutual information is strongly dependent on object shape and is closely related to the degree of rotational symmetry present. After analyzing the effect of the object on the OAM correlations, the method of correlated spiral imaging is described. We first present a version using parametric down-conversion, in which entangled pairs of photons with opposite OAM values are produced, placing an object in the path of one beam. We then present a classical (correlated, but nonentangled) version. The relative problems and benefits of the classical versus entangled configurations are discussed. The prospect is raised of carrying out compressive imaging via two-photon OAM detection to reconstruct sparse objects with few measurements. © 2012 American Physical Society. Source

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