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  • Applied Science
Addressing Links Between Climate and Public Health in Alaska Native Villages
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Public Domain
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As emissions of heat-trapping bases accumulate in our atmosphere, Earth's polar regions are warming more quickly than at lower latitudes. The rapid environmental changes that result from this warming can have a significant impact on the physical and mental health of rural Alaskans: unpredictable weather and changes in the seasons have made harvesting food more difficult, hazardous, and stressful. The risk of physical injury has also increased, as poor ice, extreme weather, and coastal erosion bring new travel hazards. Increasingly difficult harvest conditions for fish, shellfish, berries, caribou, and sea mammals have also increased concerns about food security. Additionally, declines in snow pack, the threat of drought, changes in lake and river conditions, and damage and disruptions to community water systems have prompted concerns of water security. The climate-related challenge faced by Alaska’s tribal health system is to recognize new health stressors and community vulnerabilities, and then find healthy adaptation strategies in an increasingly uncertain future.

Subject:
Applied Science
Environmental Science
Material Type:
Case Study
Provider:
National Oceanic and Atmospheric Administration
Provider Set:
U.S. Climate Resilience Toolkit
Date Added:
08/09/2016
Adjustment theory: an introduction
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CC BY
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Adjustment theory can be regarded as the part of mathematical geodesy that deals with the optimal combination of redundant measurements together with the estimation of unknown parameters. It is essential for a geodesist, its meaning comparable to what mechanics means to a civil engineer or a mechanical engineer. Historically, the first methods of combining redundant measurements originate from the study of three problems in geodesy and astronomy, namely to determine the size and shape of the Earth, to explain the long-term inequality in the motions of Jupiter and Saturn, and to find a mathematical representation of the motions of the Moon. Nowadays, the methods of adjustment are used for a much greater variety of geodetic applications, ranging from, for instance, surveying and navigation to remote sensing and global positioning.

The two main reasons for performing redundant measurements are the wish to increase the accuracy of the results computed and the requirement to be able to check for errors. Due to the intrinsic uncertainty in measurements, measurement redundancy generally leads to an inconsistent system of equations. Without additional criteria, such a system of equations is not uniquely solvable. In this introductory course on adjustment theory, methods are developed and presented for solving inconsistent systems of equations. The leading principle is that of least-squares adjustment together with its statistical properties.

The inconsistent systems of equations can come in many different guises. They could be given in parametric form, in implicit form, or as a combination of these two forms. In each case the same principle of least-squares applies. The algorithmic realizations of the solution will differ however. Depending on the application at hand, one could also wish to choose between obtaining the solution in one single step or in a step-wise manner. This leads to the need of formulating the system of equations in partitioned form. Different partitions exist, measurement partitioning, parameter partitioning, or a partitioning of both measurements and parameters. The choice of partitioning also affects the algorithmic realization of the solution. In this introductory text the methodology of adjustment is emphasized, although various samples are given to illustrate the theory. The methods discussed form the basis for solving different adjustment problems in geodesy.

Subject:
Applied Science
Engineering
Material Type:
Textbook
Provider:
Delft University of Technology
Author:
Peter J.G. Teunissen
Date Added:
06/13/2024
Administering Medications to Patients -- Calculating Dosages in the Clinical Setting
Conditional Remix & Share Permitted
CC BY-NC-SA
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Spreadsheets across the Curriculum Module. Students build a spreadsheet to calculate proper medicine dosages using the metric system.

Subject:
Applied Science
Health, Medicine and Nursing
Material Type:
Activity/Lab
Provider:
Science Education Resource Center (SERC) at Carleton College
Provider Set:
Pedagogy in Action
Author:
Shari Goldberg
Date Added:
11/06/2014
Adobe Brick | Indigi-Genius
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CC BY-NC-ND
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Indigenous peoples were able to gather their most basic needs for shelter using the items around them. Before lumber became the go to, adobe was a staple building material for the southwest and other Indigenous communities. But what makes this humble brick so simple yet sturdy and sustainable?

Subject:
Applied Science
History
Material Type:
Lecture
Provider:
PBS LearningMedia
Author:
PBS Learning Media
Date Added:
09/05/2023
Adopting Sustainable Food Practices
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Educational Use
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Hear about how respect for Earth can help us attain a more sustainable lifestyle in the face of climate change in this video segment adapted from United Tribes Technical College.

Subject:
Applied Science
Ecology
Environmental Science
Forestry and Agriculture
Geoscience
Life Science
Physical Science
Space Science
Material Type:
Lesson
Provider:
PBS LearningMedia
Provider Set:
PBS Learning Media Common Core Collection
Author:
NASA
WGBH Educational Foundation
Date Added:
03/19/2012
Adult Vaccinations
Restricted Use
Copyright Restricted
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This book provides a summary of adult immunizations with guidelines, indications, and contraindications. It was developed for Internal Medicine residents at The Ohio State University Wexner Medicine Center. The book is meant to be a simple read with high yield points to serve as a reference in the primary care clinic setting.

Subject:
Applied Science
Health, Medicine and Nursing
Material Type:
Textbook
Provider:
Ohio State University
Author:
MD
Stacy C. Kramer
Date Added:
03/09/2020
Advanced Algorithms
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CC BY-NC-SA
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This is a graduate course on the design and analysis of algorithms, covering several advanced topics not studied in typical introductory courses on algorithms. It is especially designed for doctoral students interested in theoretical computer science.

Subject:
Applied Science
Computer Science
Engineering
Material Type:
Full Course
Provider Set:
MIT OpenCourseWare
Author:
Goemans, Michel
Date Added:
09/01/2008
Advanced Algorithms
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CC BY-NC-SA
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This course is a first-year graduate course in algorithms. Emphasis is placed on fundamental algorithms and advanced methods of algorithmic design, analysis, and implementation. Techniques to be covered include amortization, randomization, fingerprinting, word-level parallelism, bit scaling, dynamic programming, network flow, linear programming, fixed-parameter algorithms, and approximation algorithms. Domains include string algorithms, network optimization, parallel algorithms, computational geometry, online algorithms, external memory, cache, and streaming algorithms, and data structures.

Subject:
Applied Science
Computer Science
Engineering
Material Type:
Full Course
Provider Set:
MIT OpenCourseWare
Author:
Karger, David
Date Added:
09/01/2005
Advanced Analytic Methods in Geospatial Intelligence
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CC BY-NC-SA
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General James Clapper, former United States Director of National Intelligence and the National Geospatial-Intelligence Agency (NGA), once said \everything happens somewhere.\" He stressed that there are aspects of time and place to every intelligence problem. In this course, you will examine how time and place work with general intelligence techniques to create geospatial intelligence. You will learn and apply critical thinking skills, structured analytical techniques, and other intelligence methods in a geospatial context. You'll also learn how to reduce personal and organizational bias by conducting an Analysis of Competing Hypotheses, by R. Heuer, a 45-year veteran of the CIA. As a result, you will be better prepared for the world of geospatial intelligence analysis."

Subject:
Applied Science
Information Science
Material Type:
Full Course
Provider:
Penn State College of Earth and Mineral Sciences
Author:
Dennis Bellafiore
Todd Bacastow
Date Added:
10/07/2019
Advanced CPU Designs: Crash Course Computer Science #9
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Some Rights Reserved
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So now that we’ve built and programmed our very own CPU, we’re going to take a step back and look at how CPU speeds have rapidly increased from just a few cycles per second to gigahertz! Some of that improvement, of course, has come from faster and more efficient transistors, but a number hardware designs have been implemented to boost performance. And you’ve probably heard or read about a lot of these - they’re the buzz words attached to just about every new CPU release - terms like instruction pipelining, cache, FLOPS, superscalar, branch prediction, multi-core processors, and even super computers! These designs are pretty complicated, but the fundamental concepts behind them are not. So bear with us as we introduce a lot of new terminology including what might just be the best computer science term of all time: the dirty bit. Let us explain.

Subject:
Applied Science
Computer Science
Material Type:
Lecture
Provider:
Complexly
Provider Set:
Crash Course Computer Science
Date Added:
04/27/2017
Advanced Circuit Techniques
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CC BY-NC-SA
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Following a brief classroom discussion of relevant principles, each student in this course completes the paper design of several advanced circuits such as multiplexers, sample-and-holds, gain-controlled amplifiers, analog multipliers, digital-to-analog or analog-to-digital converters, and power amplifiers. One of each student’s designs is presented to the class, and one may be built and evaluated. Associated laboratory assignments emphasize the use of modern analog building blocks. This course is worth 12 Engineering Design Points.

Subject:
Applied Science
Career and Technical Education
Electronic Technology
Engineering
Material Type:
Full Course
Provider Set:
MIT OpenCourseWare
Author:
Lundberg, Kent
Roberge, James
Date Added:
02/01/2002
Advanced Complexity Theory
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CC BY-NC-SA
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This graduate-level course focuses on current research topics in computational complexity theory. Topics include: Nondeterministic, alternating, probabilistic, and parallel computation models; Boolean circuits; Complexity classes and complete sets; The polynomial-time hierarchy; Interactive proof systems; Relativization; Definitions of randomness; Pseudo-randomness and derandomizations;Interactive proof systems and probabilistically checkable proofs.

Subject:
Applied Science
Computer Science
Engineering
Mathematics
Material Type:
Full Course
Provider Set:
MIT OpenCourseWare
Author:
Bavarian, Mohammad
Moshkovitz, Dana
Date Added:
02/01/2016