Digital Commons Network^™

Basics Of Focusing Schlieren Systems, Andrew Davidhazy

Articles

Among flow visualization techniques, the Focusing Schlieren system has been largely ignored by the field. It is, however, a low cost solution to solving visualization of density gradients, a system with good sensitivity to visualize convection patterns in liquids or gases such as warm air rising from a flame or heated object and ultimately it is also a powerful tool for teaching many optics related principles.

Democratic Formalism, A Matter Of Interpretation, Cass R. Sunstein

Articles

No abstract provided.

Infrared Photography Experiment With Agfa Ephoto 1280 Camera, Andrew Davidhazy

Articles

After an unsuccessful initial attempt to determine the useability of a digital camera for near infrared photography, further experiments proved that there is sufficient residual sensitivity in an Agfa 1280's CCD sensor to make passable infrared photos that simulate those made with film.

Thinking Like A Lawyer Or Acting Like A Judge: A Response To Professor Simon, David Yellen

Articles

Professor William Simon argues that the principal professional responsibility of all lawyers should be to "seek justice."' He defines this as pursuing the client's rights, but not the client's interests, if those interests are incompatible with the "truth." As a concrete example of this approach, Professor Simon states that it would normally be inappropriate for a lawyer to subject a vulnerable, but accurate, witness to cross examination intended to create the impression that the witness' testimony was mistaken.

In my view, Professor Simon's position would not really further "justice" at all. In these brief comments, by focusing on the likely …

Measured Stark Widths And Shifts Of Several Niii Sectral Lines: Temperature Dependence, Stevan Djenize, Vladimir Milosavljevic

Articles

Stark parameters (width and shift) of four doubly ionized nitrogen spectral lines, that belong to 3s-3p and 3p-3d transitions (lower multiplets), have been measured in a linear pulsed, low pressure, arc discharge in the nitrogen-oxygen and helium-nitrogen-oxygen plasmas in a (30 000 - 54 000) K electron temperature and a (0.75 10²³ - 2.8 10²³) electron density ranges. The measured values have been compared to the existing experimental and calculated data.

Diversity Combining In Antenna Array Base Station Receiver For Ds/Cdma System, C. H. Gowda, V. Annampedu, R. Viswanathan

Articles

We evaluate using simulation studies the performance of several schemes for combining base station antenna array signals in wireless direct sequence code-division multiple access (DS/CDMA). The results indicate that under certain assumptions, on multiple access interference statistics, the probability of error of modified rank test (MRT) is lower than that of equal gain combining (EGC), if a few high power interfering users are present along with a low power user of interest. If there are a moderately large number of users, and if the received power of all the users are nearly the same, then EGC out performs MRT. In …

High Speed Imaging With An Agfa Consumer Grade Digital Camera, Andrew Davidhazy

Articles

Several problems inherent to most consumer grade digital cameras are described and solved in this article about the making of microsecond photographs of bullets cutting playing cards in half and photographed with an Agfa ePhoto 1280 camera and an EG&G microflash unit.

Off-Beat Applications For A Digital Camera, Andrew Davidhazy

Articles

This article describes several adaptations made to an Agfa ePhoto 1280 camera to allow its use with close-up lenses, filters and REAL wide angle focal length converters, as well as a slide copier and as the basis for storing and exhibiting visual presentations.

A Behavioral Approach To Law And Economics, Cass R. Sunstein, Christine Jolls, Richard H. Thaler

Articles

Economic analysis of law usually proceeds under the assumptions of neoclassical economics. But empirical evidence gives much reason to doubt these assumptions; people exhibit bounded rationality, bounded self-interest, and bounded willpower. This article

The Problematics Of Moral And Legal Theory, Richard A. Posner

Articles

In these Holmes Lectures, delivered a century after the publication of Oliver Wendell Holmes's great essay The Path of the Law, Judge Posner argues for an essentially Holmesian conception of the proper relations among modern normative moral philosophy ("academic moralism"), morality, and law. Academic moralism, he argues, lacks either the intellectual cogency or the emotional power to change people's beliefs or behavior; the power to do so resides in "moral entrepreneurs," which academic moralists emphatically are not. Academic moralism's lack of cogency disqualifies it to guide judicial decisionmaking even - in fact, especially - in cases involving controversial moral issues, …

Quality And Shelf-Life Of Fresh Cut Crrot Slices As Affected By Slicing Method, Catherine Barry-Ryan, David O'Beirne Prof

Articles

The effects of slicing method on the quality and storage-life of modified atmo¬sphere packaged carrot slices were determined using microscopy, sensory evalu¬ation, microbial counts and a range of physical and chemical tests. Slicing caused physical damage, physiological stress and enhanced microbial growth. The se¬verity of these effects were in the order of blunt machine blade > sharp machine blade > razor blade. These findings provide insights into the magnitude and ba¬sis of slicing effects and also confirm the importance of gentle processing and the use of a sharp blade.

Ascorbic Acid Retention In Shredded Iceberg Lettuce As Affected By Minimal Processing, Catherine Barry-Ryan, David O'Beirne

Articles

The effects of slicing method, packaging atmosphere and storage temperature were determined on total ascorbic acid (TAA) content of modified atmosphere packaged shredded lettuce. TAA was extracted from the lettuce samples and levels were monitored using either titration with 2,6-dichlorophenolindophenol solution or an assay kit. Slicing affected (p < 0.05) ascorbic acid retention in the order manual tearing > manual slicing > machine slicing. Flushing with 100% nitrogen increased retention (~5%, p < 0.05) over packages with product modified atmospheres. Storage at 3°C increased retention (~20%, p < 0.05) compared with storage at 8°C. Scores for product appearance generally followed losses of TAA in the lettuce (p < 0.05).

Bordetella Holmesii-Like Organisms Associated With Septicemia, Endocarditis, And Respiratory Failure, Perry J. Severance, Yi-Wei Tang, Marlene K. Hopkins, Christopher P. Kolbert, Paul A. Hartley, David H. Persing

Articles

We recovered an unusual bacterial strain from blood or sputum of three patients with septicemia, endocarditis, and/or respiratory failure. The three isolates were thin, curved, gram-negative, light brown, pigment-producing bacilli with variable catalase activity. They were asaccharolytic, oxidasenegative, nonmotile, and fastidious. Identification was not possible on the basis of these characteristics alone or in combination with cellular fatty acid profiles. Nucleic acid amplification and sequence analysis of the 16S rRNA gene revealed that all three isolates were identical and most closely related to the emerging pathogen Bordetella holmesii, diverging from the published sequence at three nucleotide positions (99.8% similarity). …

White Light Interferometric Surface Profiler, Vincent Toal, Brian Bowe

Articles

We describe an optical system for 3-D profilometry based on the white light interferometer. We detail a simple way to construct a profiler that uses two simple algorithms which deal efficiently and quickly with the data. The system has a theoretically unlimited range and can deal with rough and smooth surfaces

Introduction: Adding A Comparative Perspective To American Criminal Procedure Classes, Albert Alschuler

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No abstract provided.

Professionalisms, Richard A. Posner

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No abstract provided.

Incommensurability: Truth Or Consequences?, Brian Leiter

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No abstract provided.

The Demand For Human Cloning, Richard A. Posner, Eric A. Posner

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No abstract provided.

Against Constitutional Theory, Richard A. Posner

Articles

In this Madison Lecture, Chief Judge Posner advocates a pragmatic approach to constitutional decisionmaking, criticizing constitutional theorists who conceal their normative goals in vague and unworkable principles of interpretation. After discussing specific constitutional theories as well as the legal academy's increasing reliance on theory in genera Posner demonstrates the ineffectuality of constitutional theory, using the Supreme Court's decisions in United States v. Virginia and Romer v. Evans as examples. He argues not that these cases were necessarily wrongly decided, but that the opinions lack the empirical support that is crucial to sound constitutional adjudication. Posner urges law professors to focus …

Bad Incentives And Bad Institutions, Cass R. Sunstein

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No abstract provided.

The New Chicago School: Myth Or Reality?, Lisa Bernstein, Richard A. Epstein, Eric A. Posner, Randal C. Picker

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No abstract provided.

Explaining The Public Wariness Of Juries, Albert W. Alschuler

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No abstract provided.

Antiquated Procedures Or Bedrock Rights: A Response To Professors Meares And Kahan The Right To A Fair Trial, Albert Alschuler, Stephen J. Schulhofer

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No abstract provided.

Formalism, Functionalism, Ignorance, Judges, Frank H. Easterbrook

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No abstract provided.

Impeaching The President Essay, Cass R. Sunstein

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No abstract provided.

Risk Assessment, Resource Allocation, And Fairness: Evidence From Law Students, Cass R. Sunstein, Christopher E. Houston

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No abstract provided.

Reflecting On The Subject: A Critique Of The Social Influence Conception Of Deterrence, The Broken Windows Theory, And Order-Maintenance Policing New York Style, Bernard E. Harcourt

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No abstract provided.

Modeling Morality: What Are The Limits To Self-Directed Preference Change?, Richard H. Mcadams

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No abstract provided.

Race And Selective Prosecution: Discovering The Pitfalls Of Armstrong, Richard H. Mcadams

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No abstract provided.

Us Supreme Court Confronts 'Right To Die', Bruce Carolan

Articles

This article covers the US Supreme Court's decisions regarding physician-assisted suicide for a UK audience.