The development test flight of the flight telerobotic servicer

The Development Test Flight (DTF-1) is the first of two shuttle flights to test operations of the Flight Telerobotic Servicer (FTS) in space and to demonstrate its capabilities in performing tasks for Space Station Freedom. The DTF-1 system, which Martin Marietta Astronautics Group is designing and building for the Goddard Space Flight Center, will be flown in December, 1991, as an attached payload on the shuttle. The design of the DTF-1 system, the tests to be performed, and the data to be gathered are discussed

Going Viral

This paper details, through Phenomenological Inquiry, the experimental marriage between the body's internal movements to technology and digital choreography. The choreography drew from the movement of human Deoxyribonucleic Acid (DNA) in order to link the inner body to its outward expression known as dancing. In researching the dance field, I did not find successful explorations of choreography and DNA. Choreographers replicated the microscopic views of DNA. Geneticists use movement language to describe the moving parts within the cell body, but never mention an organic origin for movement. This paper details the various movement processes exploring DNA's motion through and with the human body. The choreography culminates into a series of dancing transfigured human forms technologically created, mastered, and performed. Motion tracking and digital art projections enhanced the choreography and the human body. All my scientific and somatic movement findings resulted in the MFA Dance Thesis concert, Going Viral

The flight telerobotic servicer and technology transfer

The Flight Telerobotic Servicer (FTS) project at the Goddard Space Flight Center is developing an advanced telerobotic system to assist in and reduce crew extravehicular activity (EVA) for Space Station Freedom (SSF). The FTS will provide a telerobotic capability in the early phases of the SSF program and will be employed for assembly, maintenance, and inspection applications. The current state of space technology and the general nature of the FTS tasks dictate that the FTS be designed with sophisticated teleoperational capabilities for its internal primary operating mode. However, technologies such as advanced computer vision and autonomous planning techniques would greatly enhance the FTS capabilities to perform autonomously in less structured work environments. Another objective of the FTS program is to accelerate technology transfer from research to U.S. industry

Project Performance Rating Model and IPD Implementation Guideline Metric for Water and Wastewater Treatment Plant Projects

The public nature of water and wastewater construction capital projects has rendered Design-Bid-Build (DBB) as the delivery method of choice for such projects over the past years. Shortcomings inherent to DBB have had a negative effect on the Key Performance Indicators (KPIs) of these projects. Numerous studies have argued that Integrated Project Delivery (IPD) improves the delivery performance of DBB projects. Project delivery performance is, however, a complex concept that is not easily measured. It involves several criteria with many factors that need to be accounted for. Water and wastewater construction projects do not have well-established overall performance rating models, and to date, no study has scientifically established links that correlate IPD principles to improvements in KPIs of DBB construction projects. The aim of this research is to develop a new model for rating the performance of water utilities major capital projects delivered using a project delivery method that combines IPD and DBB and use this model to find what correlation exists between the implemented IPD principles and the KPIs of these projects. Data for water and wastewater projects were collected from water utilities in the three counties of South Florida. Forty-three projects were selected from the total population of water and wastewater construction projects and delivered using the traditional DBB delivery method. Selective IPD principles that are applicable to public projects in the water and wastewater field were then applied to two control projects, and their respective performance was measured using the previously identified KPIs. A Project Performance Rating (PPR) Model was developed to combine the key performance factors of a project into one performance index for water and wastewater construction projects and to gauge the overall project performance. Regression analysis and a focus group were then utilized to determine the effect of each implemented IPD principle on various project KPIs. Results showed enhancements in the performance of the delivery of public water and wastewater construction projects through the implementation of certain IPD principles. A guideline metric was developed that can significantly help utility owners aiming to predict how implementation of certain IPD principles can impact various project KPIs

Comparing Drug Addiction Portrayed in Hubert Selby Jr’s Requiem for a Dream and Irvine Welsh’s Trainspotting

This article aims to compare two literary works from two different countries with a similar motif, which is drug addiction. This study attempts to find out the portrayal of drug addiction in both literary works by comparing the symptoms, causes, and impacts experienced by the main characters. Based on the results of the analysis, it can be concluded that the two literary works show similarities and differences regarding drug addiction that happen to the main characters. The writer found four symptoms, one cause, and four impacts of drug addiction in Requiem for a Dream, while in Trainspotting, the writer found three symptoms, two causes, and four impacts of drug addiction. Despite having the same number of impacts, those four impacts are described differently in both literary works

KEMAMPUAN PENALARAN MATEMATIS SISWA SMP MELALUI MODEL PEMBELAJARAN BERBASIS MASALAH DENGAN PENDEKATAN SAINTIFIK

Tujuan dari penelitian ini adalah untuk mengkaji peningkatan kemampuan penalaran matematis siswa SMP yang memperoleh pembelajaran berbasis masalah dengan pendekatan saintifik dan siswa yang memperoleh pembelajaran langsung. Penelitian ini menggunakan metode kuasi eksperimen dengan populasi penelitian selurus siswa kelas VII SMP di salah satu sekolah di Bandung Barat. Data penelitian diperoleh melaui tes kemampuan awal penalaran matematis kemudian diolah secara kuantitatif dan kualitatif. Hasil penelitian menunjukkan bahwa 1) peningkatan kemampuan penalaran matematis siswa kelas yang memperoleh pembelajaran berbasis masalah dengan pendekatan saintifik meningkat lebih baik dari kelas yang memperoleh pembelajaran langsung; 2) kesalahan siswa dalam menyelesaikan soal tes kemampuan penalaran matematis siswa umumnya terletak pada miskonsepsi dan kesalahan biasa. --- The purpose of this research is to assess improvement of mathematical reasoning ability junior high school students who acquire problem-based learning with scientific approach. The method used in this research is quasi experiment with all 7th grade students at a junior high school at West Bandung as the population. Data were obtained through tests of mathematical reasoning abilities of the students then analyzed quantitatively and qualitatively. The result showed that 1) mathematical reasoning ability of students that used problem-based learning model with scientific approach increased better than students that used direct learning; 2) student’s errors in solving problems that given in mathematical reasoning ability were generally misconceptions and common errors

Functional Characterization of a High-Throughput In Vitro Model to Predict Faecal Microbiota Transplantation (FMT) Donor Success

Faecal microbiota transplantation (FMT) involves the administration of donor faecal matter to a diseased recipient with the goal of remodeling the host microbiome to provide health benefits. In recent years, FMT has emerged as a potential therapy for a variety of microbiome-associated diseases such as atherosclerosis. Trimethylamine (TMA) is an atherosclerosis-linked metabolite generated by the gut microbiota from dietary precursors which is then oxidized to trimethylamine N-oxide (TMAO) by the liver, contributing to increased gut permeability. It has been shown that FMT may alter or restore the gut microbiome of recipients to reduce plasma TMAO levels. Despite its potential, the FMT donor screening procedure for potentially transmissible conditions is a lengthy, costly, and often unsuccessful process. Current studies suggest that a successful FMT may rely on the selection of a donor microbiome capable of restoring the specific components lacking in the diseased state. However, appropriate in vitro donor models are limited and the components of the donor microbiome critical to FMT success remain unknown. To identify the response of donor gut microbiome samples to a given treatment, the group previously modified an in vitro model (MiPro) to simultaneously evaluate the responses of numerous individual samples. To test this in vitro model, a sample population of atherosclerosis patients with high plasma TMAO receiving FMT intervention (n=2) and FMT donors (n=4) was utilized to characterize the effects of microbiome samples on barrier integrity and potentially identify desirable donor characteristics. Quantitative polymerase chain reaction (qPCR) was used to monitor changes in TMA-production gene abundance as a marker of atherosclerosis disease severity in FMT recipients. Using a cell co-culture model of the human intestinal barrier, the effect of the donor microbiome on intestinal permeability measured by transepithelial electrical resistance (TEER) and confocal imaging of tight junctions was then assessed. Differences in co-culture barrier integrity were observed following treatment with filtered donor MiPro effluent. These findings suggest that the novel in vitro model has the potential to predict donor microbiota resilience and identify desirable donor characteristics in future iterations. This could allow for the optimization of future FMT therapies for atherosclerosis and other microbiome-associated diseases

Time varying solar cycle protons program manual

Proton variations in earth radiation belt due to solar cycle - calculation program

The Flight Telerobotic Servicer (FTS) NASA's first operational robotic system

NASA has completed the preliminary definition phase of the Flight Telerobotic Servicer (FTS) and is now preparing to begin the detailed design and fabrication phase. The FTS will be designed and built by Martin Marietta Astronautics Group in Denver, CO, for the Goddard Space Flight Center, in support of the Space Station Freedom Program. The design concepts for the FTS are discussed, as well as operational scenarios for the assembly, maintenance, servicing and inspection tasks which are being considered for the FTS. The upcoming Development Test Flight (DTF-1) is the first of two shuttle test flights to test FTS operations in the environment of space and to demonstrate the FTS capabilities in performing tasks for Space Station Freedom. Operational planning for DTF-1 is discussed as well as development plans for the operational support of the FTS on the space station