Philosophy of physics Maudlin, Tim
2012., 20120722, 2012, 2012-07-22, 20120101, Volume:
11
eBook
This concise book introduces nonphysicists to the core philosophical issues surrounding the nature and structure of space and time, and is also an ideal resource for physicists interested in the ...conceptual foundations of space-time theory. Tim Maudlin's broad historical overview examines Aristotelian and Newtonian accounts of space and time, and traces how Galileo's conceptions of relativity and space-time led to Einstein's special and general theories of relativity. Maudlin explains special relativity with enough detail to solve concrete physical problems while presenting general relativity in more qualitative terms. Additional topics include the Twins Paradox, the physical aspects of the Lorentz-FitzGerald contraction, the constancy of the speed of light, time travel, the direction of time, and more.
Introduces nonphysicists to the philosophical foundations of space-time theory Provides a broad historical overview, from Aristotle to Einstein Explains special relativity geometrically, emphasizing the intrinsic structure of space-time Covers the Twins Paradox, Galilean relativity, time travel, and more Requires only basic algebra and no formal knowledge of physics
Ever since the space tether was first proposed by Tsiolkovsky, it has been extensively utilized in space missions, for attitude stabilization, momentum exchange, and space elevators. Developments in ...engineering technology and changes in the space environment have diversified the current applications for the space tether. New applications for the space tether include the Tethered Space Robot, Tethered Space Net, and Tethered Spacecraft Formation. These are quickly being adapted for in-orbit maintenance such as fueling service, orbit maneuvering, and active space debris capture/removal. The flexibility and elasticity of the space tether lead to complex issues with tethered space systems, including the mechanics design, dynamics modeling and analysis, and control scheme design. In this paper, we review several new applications for the space tether during service in orbit, and research the on structure, dynamics, and control of each application. This review is conducted to provide an overall summary of the space tether for On-Orbit Servicing, and further the conversation regarding possible research interests in the future.
Building Modern Turkeyoffers a critical account of how the built environment mediated Turkey's transition from a pluralistic (multiethnic and multireligious) empire into a modern, homogenized ...nation-state following the collapse of the Ottoman Empire at the end of World War I. Zeynep Kezer argues that the deliberate dismantling of ethnic and religious enclaves and the spatial practices that ensued were as integral to conjuring up a sense of national unity and facilitating the operations of a modern nation-state as were the creation of a new capital, Ankara, and other sites and services that embodied a new modern way of life. The book breaks new ground by examining both the creative and destructive forces at play in the making of modern Turkey and by addressing the overwhelming frictions during this profound transformation and their long-term consequences. By considering spatial transformations at different scales-from the experience of the individual self in space to that of international geopolitical disputes-Kezer also illuminates the concrete and performative dimensions of fortifying a political ideology, one that instills in the population a sense of membership in and allegiance to the nation above all competing loyalties and ensures its longevity.
As commercial and military spacecraft become more important to the world's economy and defense, and as new scientific and exploratory missions are launched into space, the need for a single ...comprehensive resource on spacecraft charging becomes increasingly critical. Fundamentals of Spacecraft Charging is the first and only textbook to bring together all the necessary concepts and equations for a complete understanding of the subject. Written by one of the field's leading authorities, this essential reference enables readers to fully grasp the newest ideas and underlying physical mechanisms related to the electrostatic charging of spacecraft in the space environment.Assuming that readers may have little or no background in this area, this complete textbook covers all aspects of the field. The coverage is detailed and thorough, and topics range from secondary and backscattered electrons, spacecraft charging in Maxwellian plasmas, effective mitigation techniques, and potential wells and barriers to operational anomalies, meteors, and neutral gas release. Significant equations are derived from first principles, and abundant examples, exercises, figures, illustrations, and tables are furnished to facilitate comprehension. Fundamentals of Spacecraft Charging is the definitive reference on the physics of spacecraft charging and is suitable for advanced undergraduates, graduate-level students, and professional space researchers.
In Space Enterprise - Living and Working Offworld, Dr Philip Harris provides the vision and rationale as to why humanity is leaving its cradle, Earth, to use space resources, as well as pursuing ...lunar industrialization and establishing offworld settlements. As a management/space psychologist, Dr. Harris presents a behavioral science perspective on space exploration and enterprise. In this his 45thbook, Phil has completely revised and updated the two previous editions of this classic, placing new emphasis on the need for more synergy and participation by the private sector. He not only provides a critical review of what is happening in the global space community, but offers specific strategies for lunar economic development. The author analyzes the human factors in contemporary and future space developments, especially relative to the deployment of people aloft. This user-friendly volume offers numerous photographs, diagrams, exhibits, and case studies.
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Understanding the effects of spaceflight on microbial communities is crucial for the success of long-term, manned space missions. Surface-associated bacterial communities, known as biofilms, were ...abundant on the Mir space station and continue to be a challenge on the International Space Station. The health and safety hazards linked to the development of biofilms are of particular concern due to the suppression of immune function observed during spaceflight. While planktonic cultures of microbes have indicated that spaceflight can lead to increases in growth and virulence, the effects of spaceflight on biofilm development and physiology remain unclear. To address this issue, Pseudomonas aeruginosa was cultured during two Space Shuttle Atlantis missions: STS-132 and STS-135, and the biofilms formed during spaceflight were characterized. Spaceflight was observed to increase the number of viable cells, biofilm biomass, and thickness relative to normal gravity controls. Moreover, the biofilms formed during spaceflight exhibited a column-and-canopy structure that has not been observed on Earth. The increase in the amount of biofilms and the formation of the novel architecture during spaceflight were observed to be independent of carbon source and phosphate concentrations in the media. However, flagella-driven motility was shown to be essential for the formation of this biofilm architecture during spaceflight. These findings represent the first evidence that spaceflight affects community-level behaviors of bacteria and highlight the importance of understanding how both harmful and beneficial human-microbe interactions may be altered during spaceflight.
Extending Humanity’s Reach Chaben, Jack B.
Journal of strategic security,
10/2020, Volume:
13, Issue:
3
Journal Article
Peer reviewed
Open access
The Cold War initiated not only rapid weaponization campaigns within the United States and the Soviet Union, but launched a space race between the ideological opponents. The Soviet Union claimed an ...early victory by becoming the first nation to launch a satellite into space. Despite the United States’ rough start, the country triumphed during its Apollo Program to become the leader in space. Treaties and international norms emerged throughout this time to prevent these technologically raging nations from weaponizing the expansive environment of outer space, but the resulting protections against national ownership of space limited incentives for future deep space travel. As the U.S. Space Shuttle program came to an end in 2011, the United States forfeit its capabilities to transport humans to the International Space Station. This apparent abandonment of outer space, however, began to reveal the seminal role of the commercial space industry and its revolutionary technologies. This article traces the transition from the Cold War-era space race to today’s robust public-private expansion into space. It highlights the foundational importance of international cooperation to protect the interests of private companies, and presents a model of cooperative succession between space agencies and companies to send humans to Mars.
Presenting the history of space-time physics, from Newton to Einstein, as a philosophical development DiSalle reflects our increasing understanding of the connections between ideas of space and time ...and our physical knowledge. He suggests that philosophy's greatest impact on physics has come about, less by the influence of philosophical hypotheses, than by the philosophical analysis of concepts of space, time and motion, and the roles they play in our assumptions about physical objects and physical measurements. This way of thinking leads to interpretations of the work of Newton and Einstein and the connections between them. It also offers ways of looking at old questions about a priori knowledge, the physical interpretation of mathematics, and the nature of conceptual change. Understanding Space-Time will interest readers in philosophy, history and philosophy of science, and physics, as well as readers interested in the relations between physics and philosophy.
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