Products related to Physics:
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Smartphones, Current Events and Mobile Information Behavior : Consuming, Reacting, Sharing, and Connecting through News
Smartphones and Information on Current Events provides unprecedented insights into young people’s news consumption patterns and the ecology of mobile news.Advancing our knowledge of mobile behaviour, the book also highlights the ways in which mobile news impacts the lives of the general public.Using a multi-faceted research model on mobile news consumption behaviour, Oh and Tang examined a wide spectrum of mobile news consumption activities, outlined the key characteristics of mobile news, as well as captured users’ near real-time evaluation of and emotional reactions to news stories.The book also shows that the process of using smartphones to receive, read, find, share, and store news stories has resulted in new behavioural patterns that enable people to consume news in a multifaceted way.Analyzing the extent and various methods of mobile news sharing can, Oh and Tang argue, help us understand how such exchanges reshape contemporary society.Demonstrating that mobile news consumption is now an integral part of people’s daily lives, the book clearly shows that its impact on people’s day-to-day activities, and their political and social lives, cannot be underestimated.Smartphones and Information on Current Events will be useful to scholars, students, and practitioners who are studying library and information science, journalism and media, digital communication, user behaviour, information technology, human-computer interaction, marketing, political science, psychology, and sociology.
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Physics of Radio-Frequency Plasmas
Low-temperature radio frequency plasmas are essential in various sectors of advanced technology, from micro-engineering to spacecraft propulsion systems and efficient sources of light.The subject lies at the complex interfaces between physics, chemistry and engineering.Focusing mostly on physics, this book will interest graduate students and researchers in applied physics and electrical engineering.The book incorporates a cutting-edge perspective on RF plasmas.It also covers basic plasma physics including transport in bounded plasmas and electrical diagnostics.Its pedagogic style engages readers, helping them to develop physical arguments and mathematical analyses.Worked examples apply the theories covered to realistic scenarios, and over 100 in-text questions let readers put their newly acquired knowledge to use and gain confidence in applying physics to real laboratory situations.
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Physics In Crisis: From Multiverses To Fake News
Today's physics has led to incredible advances in the technology we use in daily life — from cell phones and GPS systems to PET scans and more.Current theories in physics have been amazingly effective in practical terms.Yet all is far from well: the two foundational concepts in physics — Quantum Theory and General Relativity — are incompatible with each other, and observations of the universe show that our theories are incomplete — at best.While physicists have tried to paper over this impasse by inventing dark matter and dark energy, they remain unobserved mysteries. Adding fuel to the fire of current crises, artificial intelligence threatens to replace our most cherished theories and procedures with arcane algorithms.Worse yet perhaps, the public understands physics poorly, either taking it for granted or fearing and rejecting it completely.Physicists dream of a new universal theory that will completely change how we see our world, much as Einstein did with relativity and Newton with gravity.Likewise, society loves the romantic notion of a single genius heroically creating a massive paradigm shift.Still, is this scenario likely today? Perhaps the next steps in physics will be incremental rather than gigantic.In Physics in Crisis, Bruno Mansoulié uses simple language, insightful examples, and his personal experience as a working physicist to address these fundamental questions and reflect on how today's crises in physics might be solved.
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Are TV and radio stations obligated to broadcast news?
TV and radio stations are not legally obligated to broadcast news, but many choose to do so as part of their commitment to serving the public interest. In some countries, there may be regulations or licensing requirements that mandate a certain amount of news programming, but this varies by jurisdiction. Ultimately, the decision to include news in their programming is up to the individual stations and their management.
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What is information in physics?
In physics, information refers to any data or knowledge that can be used to describe the state or behavior of a physical system. This can include measurements, observations, or theoretical predictions about the system. Information in physics is crucial for understanding and predicting the behavior of objects and systems in the physical world. It can be quantified and manipulated using mathematical tools and principles to make predictions and draw conclusions about the natural world.
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What is current in physics?
Current in physics refers to the flow of electric charge in a circuit. It is measured in amperes (A) and represents the rate at which electric charges pass through a given point in a circuit. Current is essential for the operation of electrical devices and is governed by Ohm's Law, which relates current, voltage, and resistance in a circuit. Understanding current is crucial for designing and analyzing electrical circuits in various applications, from electronics to power distribution systems.
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What is the current in physics?
In physics, current refers to the flow of electric charge through a medium, typically a conductor such as a wire. It is measured in units of amperes (A) and represents the rate at which electric charge is moving past a given point in the circuit. Current can be either direct current (DC), where the charge flows in one direction, or alternating current (AC), where the charge changes direction periodically. Understanding current is essential for analyzing and designing electrical circuits and devices.
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University Physics with Modern Physics ISE
For instructors looking to engage students and enhance their problem-solving skills, choosing Bauer/Westfall’s University Physics, 3e, offers student-friendly, accessible content, tools, and resources that develop high-level problem-solving and critical thinking skills. University Physics with Modern Physics weaves exciting, contemporary physics throughout the text with coverage of the most recent research by the authors and others in areas such as energy, medicine, and the environment.These contemporary topics are explained in a way that your students will find real, interesting, and motivating. The new edition of University Physics with Modern Physics is also available in McGraw Hill Connect, featuring SmartBook 2.0, Virtual Labs for Physics, and more!
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Information and the Nature of Reality : From Physics to Metaphysics
Many scientists regard mass and energy as the primary currency of nature.In recent years, however, the concept of information has gained importance.Why? In this book, eminent scientists, philosophers and theologians chart various aspects of information, from quantum information to biological and digital information, in order to understand how nature works.Beginning with a historical treatment of the topic, the book also examines physical and biological approaches to information, and its philosophical, theological and ethical implications.
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Broadcast Journalism : Techniques of Radio and Television News
Now in its 8th edition, Broadcast Journalism continues to be an essential text on the production of news broadcasting and the practical skills needed. It includes not only basic techniques and classic examples for the production of radio and TV news, but also new technology and the latest case studies.The fundamental skills of interviewing, news writing and production now have to cope with the prevalence of Fake News and Deep Fakes and verifying content in an endless flow of social media.This edition also includes newsgathering with mobile devices, live reporting and using data and graphics.There are dozens of new images and links for downloads and further reading, plus end-of-chapter exercises and tutor notes. This continues to be an indispensable textbook for broadcast journalism and communications students looking for an in-depth guide to the industry.
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University Physics with Modern Physics, Global Edition
Develop your understanding of how to use similar steps in your problem-solving approaches For courses in calculus-based physics. University Physics with Modern Physics, 15th edition, now in SI Units, is known for its clear and accessible approach to physics.With its step-by-step guidance and variety of problem types, the textbook will help you solve the most complex problems in physics. This edition draws on insights from several users to help you see patterns and make connections between problem types rather than simply plugging values into an equation. Key features include: Key Concept statements to help you learn to look beyond the objects of the problem and recognise the underlying principle or the problem typeNew!Key Example Variation Problems within the new Guided Practice sections group problems by type to help you recognise when you can solve them in similar ways, regardless of the wording or numbersWorked example "Key Concept" statements at the end of every example provide a brief summary of the key idea used in the solution to help you develop your conceptual understandingEnhanced End-of-Chapter problem sets help you reinforce problem-solving skills Pair this text with Mastering®Physics Mastering is the flexible teaching and learning platform that engages students through an active and immersive learning experience.By combining trusted author content with digital tools and a flexible platform, Mastering Physics personalises the learning experience to help you improve your results. Mastering®Physics is not included with this title.If you would like to purchase both the physical textbook and Mastering®Physics, search for: 9781292314945 Modern Physics, Global Edition + Mastering Physics with Pearson eText 'Mastering via Bundle' which consists of: Print textbookeTextbookMastering®Physics Students, Mastering should only be purchased when required by an instructor.If Mastering is a recommended/mandatory component of the course, please check with your instructor for the correct ISBN.Instructors, contact your Pearson representative for more information.
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What is electric current in physics?
Electric current in physics is the flow of electric charge through a conductor. It is measured in amperes (A) and is the rate at which electric charge flows past a point in a circuit. The flow of current is driven by the presence of a potential difference, or voltage, which creates an electric field that pushes the charged particles through the conductor. Electric current is essential for the functioning of electrical devices and circuits.
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What is alternating current in physics?
Alternating current (AC) is a type of electrical current in which the flow of electric charge periodically reverses direction. This means that the voltage and current in an AC circuit change direction and magnitude at regular intervals. AC is commonly used in household and industrial electrical systems because it can be easily transformed to different voltage levels and can be transmitted over long distances with minimal loss. The frequency of the alternating current, measured in hertz (Hz), determines how many times the current changes direction per second.
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How do you calculate current in physics?
In physics, current is calculated using Ohm's Law, which states that current (I) is equal to the voltage (V) divided by the resistance (R). Mathematically, the formula for calculating current is I = V/R. This means that the current flowing through a circuit can be determined by dividing the voltage across the circuit by the resistance of the circuit. The unit of current is the ampere (A).
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What is the maximum current in physics?
The maximum current in physics is determined by the maximum flow of electric charge through a given area in a conductor. This maximum current is limited by the resistance of the conductor and the voltage applied across it, as described by Ohm's law (I = V/R). In practical terms, the maximum current is also limited by the physical properties of the conductor, such as its material and cross-sectional area, as well as the heat dissipation capabilities of the conductor to prevent overheating.
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