New method forms bond line free of voids

A new bonding method using vacuum, pressure and heat, which produces a bond line free of voids, is described. This method is very successful in bonding ablation shields to a magnesium structural component in simulated reentry tests involving great heat and air turbulence

The structure of degradable quantum channels

Degradable quantum channels are among the only channels whose quantum and private classical capacities are known. As such, determining the structure of these channels is a pressing open question in quantum information theory. We give a comprehensive review of what is currently known about the structure of degradable quantum channels, including a number of new results as well as alternate proofs of some known results. In the case of qubits, we provide a complete characterization of all degradable channels with two dimensional output, give a new proof that a qubit channel with two Kraus operators is either degradable or anti-degradable and present a complete description of anti-degradable unital qubit channels with a new proof. For higher output dimensions we explore the relationship between the output and environment dimensions ($d_B$ and $d_E$ respectively) of degradable channels. For several broad classes of channels we show that they can be modeled with a environment that is "small" in the sense $d_E \leq d_B$. Perhaps surprisingly, we also present examples of degradable channels with ``large'' environments, in the sense that the minimal dimension $d_E > d_B$. Indeed, one can have $d_E > \tfrac{1}{4} d_B^2$. In the case of channels with diagonal Kraus operators, we describe the subclass which are complements of entanglement breaking channels. We also obtain a number of results for channels in the convex hull of conjugations with generalized Pauli matrices. However, a number of open questions remain about these channels and the more general case of random unitary channels.Comment: 42 pages, 3 figures, Web and paper abstract differ; (v2 contains only minor typo corrections

Having a Conversation About Health Care Wishes and Goals in Vermont

Research has shown that people think talking with family and friends about end-of-life care is important, but they do not actually have this conversation. The majority of adults do not have any form of advance care planning in place. In the state of Vermont if you are 18 years of age or older there is no default person to make decisions for you (such as a spouse or next of kin) in the event that you would be unable to do so, which can result in a complicated ethical dilemma. The goal of this project is to improve conversation rates between patients and their friends and families about their health care wishes and goals.https://scholarworks.uvm.edu/fmclerk/1347/thumbnail.jp

Interviews of deshopping behaviour: An analysis of theory of planned behaviour

Research reveals alarming results on the prevalence of the dishonest consumer behaviour known as deshopping. Deshopping is the “deliberate return of goods for reasons other than actual faults in the product, in its pure form premeditated prior to and during the consumption experience.” (Schmidt et al., 1999 p.2) In effect this means buying something with no intention of keeping it (Schmidt et al., 1999). The authors consider the implications of deshopping and retailers’ prevention of deshopping, exploring the research undertaken to date and the methodology for further research

Continuous prediction of Spartan visibility from Orbiter over modeled free-flight mission

Orbital operations in the neighborhood of other satellites or free-flying objects need the ability to see and detect such objects optically. This ability depends primarily on the brightness of the object relative to other sources present. The present analysis and computational procedure provides a means for predicting the visual brightness of a satellite when viewed from a nearby satellite in the same orbit. It is designed specifically for estimating the brightness of Spartan free-flyers from the STS Orbiters which release and later retrieve them, but the basic methods are applicable to other satellite-to-satellite visibility prediction problems. The Spartan reflector model defined herein is illuminated both by direct solar radiation and by the earth (albedo), producing a model source of defined directional intensity. The intensity in the Orbiter direction (along orbit) yields the desired maximum range directly. The required geometric and photometric calculations involve a number of angles in space, which are readily computed from the basic directions defining their sides. The time-dependent directions are determined by straightforward calculation from fundamental relationships and constants