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A fun and lively look at the mathematical ideas concealed in video gamesDid you know that every time you pick up the controller to your PlayStation or Xbox, you are entering a game world steeped in mathematics? Power-Up reveals the hidden mathematics in many of today's most popular video games and explains why mathematical learning doesn't just happen in the classroom or from books-you're doing it without even realizing it when you play games on your cell phone.In this lively and entertaining book, Matthew Lane discusses how gamers are engaging with the traveling salesman problem when they play Assassin's Creed, why it is mathematically impossible for Mario to jump through the Mushroom Kingdom in Super Mario Bros., and how The Sims teaches us the mathematical costs of maintaining relationships. He looks at mathematical pursuit problems in classic games like Missile Command and Ms. Pac-Man, and how each time you play Tetris, you're grappling with one of the most famous unsolved problems in all of mathematics and computer science. Along the way, Lane discusses why Family Feud and Pictionary make for ho-hum video games, how realism in video games (or the lack of it) influences learning, what video games can teach us about the mathematics of voting, the mathematics of designing video games, and much more.Power-Up shows how the world of video games is an unexpectedly rich medium for learning about the beautiful mathematical ideas that touch all aspects of our lives-including our virtual ones.
Mathematics --- Games in mathematics education. --- Video games. --- Television games --- Videogames --- Electronic games --- Educational games --- Mathematical recreations --- Computer-assisted instruction. --- Study and teaching --- Computer games --- Internet games --- Games
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This open access book brings together a collection of cutting-edge insights into how action can and is already being taken against climate change at multiple levels of our societies, amidst growing calls for transformative and inclusive climate action. In an era of increasing recognition regarding climate and ecological breakdown, this book offers hope, inspiration and analyses for multi-level climate action, spanning varied communities, places, spaces, agents and disciplines, demonstrating how the energy and dynamism of local scales are a powerful resource in turning the tide. Interconnected yet conceptually distinct, the book’s three sections span multiple levels of analysis, interrogating diverse perspectives and practices inherent to the vivid tapestry of climate action emerging locally, nationally and internationally. Delivered in collaboration with the UK’s ‘Place-Based Climate Action Network’, chapters are drawn from a wide range of authors with varying backgrounds spread across academia, policy and practice.
Central government policies --- Sociology --- Meteorology & climatology --- Environmental management --- Sustainability --- Geography --- Open Access --- climate change --- climate emergency --- praxis --- community --- theory --- practice --- climate action --- local climate praxis --- community engagement --- sustainable business models --- climate crisis --- community climate action
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Recent U.S. national defense policies have focused on the importance of multinational interoperability to meeting U.S. defense goals. However, even with the attention given to interoperability, the Army is still not interoperable with whom it wants, when it wants. One reason for this, the authors argue, is that policymakers do not have a precise enough understanding of why more and better interoperability is needed. In many ways, "interoperability" is a buzzword often asserted as the solution to an unexplained problem. Or worse, as a tautological argument: The need to be interoperable hinges on the fact that, historically, military forces have been rather terrible at doing so. The authors of this report recount both their literature review and structured interviews with planners and leadership involved in multinational interoperability, focusing on describing the various benefits often ascribed to interoperability. They discuss the values of interoperability across multiple dimensions — shaping the strategic environment, increasing capabilities, and reducing resourcing demands. The authors also suggest strategies for realizing those benefits. The authors aim to clarify the benefits of interoperability and spur conversations so that future decisionmakers can better articulate the intended rationale for investing in interoperability and better weigh the benefits against the significant costs and risks that interoperability might entail.
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In the aftermath of Russian military aggression against Ukraine in 2014, and with increasing tensions in the U.S.-China strategic competition, the question of whether U.S. overseas military presence can enhance deterrence remains central. At the same time, U.S. overseas military commitments are increasingly coming under question at home, both among the public at large and among many foreign- and defense-policy elites. This report provides empirical evidence on the deterrent effects of U.S. overseas military forces. It investigates how these effects might vary by the type, size, and location of these forces. The analyses provide the clearest evidence in support of the deterrent effect of heavy ground forces, particularly when deployed near but not directly bordering potential adversaries. The analyses show that the more mobile forces are, the less evidence there is of a deterrent effect. The report also assesses the effects of the deployment of U.S. forces during crises, finding that, although they can help avoid escalation and maintain the status quo, they are not necessarily well suited to altering the long-term strategic dynamics between states.
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To defend against potential threats, the U.S. Army devotes significant resources to strategic and operational planning. This planning is an exercise in risk management across the wide array of potential threats facing the United States. Military planners need tools that leverage emergent trends in the global geostrategic environment to forecast future contingencies to preemptively build, shape, and prepare U.S. forces for the kinds of missions they are most likely to encounter in the future and for the contingencies that pose the greatest strategic risk to the United States. This report provides empirically grounded assessments of potential future demands for U.S. ground forces. It does so by presenting a dynamic forecasting model that projects future U.S. ground interventions in a range of scenarios through the year 2040. The model the authors have developed incorporates annual projections of opportunities for U.S. intervention-including armed conflicts and their aftermath-and U.S. ground interventions themselves for each year in the 2017-2040 time frame. The authors present three main types of projections: trends in the future operating environment, including the incidence of interstate wars and intrastate conflicts; future U.S. ground interventions, including those involving deterrence, combat, and stabilization activities; and the anticipated average force requirements for those interventions. This analysis identifies key factors that can serve as early warning indicators of future conflicts and provides an improved empirical basis for estimating the frequency, magnitude, duration, and overlap of future contingencies.
United States. --- Operational readiness --- Planning. --- Mathematical models. --- Personnel management. --- United States --- Military policy
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The United States has sought to combat security threats in Africa principally by supporting partner governments, and security sector assistance (SSA) has been one of the primary tools it has used. Rigorous evaluations of the overall impact of SSA, however, have been extremely rare. A RAND Corporation study used statistical models to evaluate the impact that U.S.-provided SSA has had on political violence in Africa-in particular, the incidence of civil wars and insurgencies, terrorist attacks, and state repression. The authors found that SSA has had a mixed record. During the Cold War, SSA likely exacerbated instability, leading to a higher incidence of civil wars. During the post-Cold War era, it seems to have had little net effect, likely reflecting recipient-government failures to sustain the capabilities developed through SSA and to harness these capability gains to effective political-military strategies. When SSA has been implemented in conjunction with peacekeeping operations, however, it has had a consistently positive impact across a range of outcomes, including the likelihood of civil war recurrence, the incidence of terrorist attacks, and the extent of state repression. These findings have important implications for future U.S. policies in Africa and potentially beyond.
Military assistance, American --- Security sector --- Terrorism --- Peace-building --- Political stability --- Assistance militaire américaine --- Secteur de la sécurité --- Terrorisme --- Consolidation de la paix --- Stabilité politique --- Evaluation. --- Prevention. --- Évaluation. --- Prévention. --- United States. --- Africa.
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"There is an ongoing debate about the effects of U.S. military presence on conflict around the globe. In one view, U.S. military presence helps to deter adversaries, restrain U.S. partners from adopting provocative policies, and make it easier for the United States to achieve its aims without the use of force. In another view, U.S. military presence tends to provoke adversaries and encourage allies to adopt more reckless policies, and it increases the likelihood that the United States will be involved in combat. The authors of this report analyze historical data to assess how U.S. military presence -- in particular, U.S. troop presence and military assistance -- is associated with the interstate and intrastate conflict behavior of states and nonstate actors. Troop presence and military assistance have different effects. Stationing U.S. troops abroad may help deter interstate war. A large U.S. regional troop presence may reduce the likelihood of interstate conflict in two ways: by deterring potential U.S. adversaries from initiating interstate wars or by restraining U.S. allies from initiating militarized behavior. However, U.S. military presence may increase interstate militarized activities short of war. U.S. adversaries may be more likely to initiate militarized disputes against states with a larger U.S. in-country troop presence. U.S. troop presence does not appear to reduce the risk of intrastate conflict or affect the level of state repression. U.S. military assistance is not associated with changes in interstate conflict behavior. However, provision of U.S. military assistance may be associated with increased state repression and incidence of civil war. These findings have implications for near-term decisionmaking on U.S. forward troop presence in Europe and Asia."--Publisher's description
Military assistance, American --- War --- Assistance militaire américaine --- Guerre --- Causes. --- Forecasting. --- Prévision. --- United States --- United States. --- Armed Forces
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