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This program covers the important topic of refrigerators in Physics. We begin by discussing how refrigerators are just “heat engines” operated in reverse because they require energy to pump heat away from an object. The entire lesson is taught by working example problems beginning with the easier ones and gradually progressing to the harder problems. Emphasis is placed on giving students confidence in their skills by gradual repetition so that...
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Physics is frequently one of the hardest subjects for students to tackle because it is a combination of two of the toughest subjects for most students: Math and Word Problems. What sets this series apart from other physics teaching tools is that the concepts are taught entirely through step-by step example problems of increasing difficulty. It works by introducing each new concept in an easy to understand way and using example problems that are worked...
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Illustrating how a fire alarm detects smoke and what the plasma is in a plasma screen television, this fascinating handbook explains how everyday household devices function and operate. More than 180 different household technologies are covered, including gadgets unique to apartment buildings and houseboats. Devices are grouped according to their "habitats" the living room, family room, den, bedroom, kitchen, bathroom, and basement and feature a detailed...
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Humanity has reached a critical moment. Our world is unsettled and rapidly changing, and we face existential risks over the next century. Various outcomes--good and bad--are possible. Yet our approach to the future is characterized by short-term thinking, polarizing debates, alarmist rhetoric, and pessimism. In this short, exhilarating book, renowned scientist and bestselling author Martin Rees argues that humanity's prospects depend on our taking...
8) Wedges
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Updated for 2020. Clear definitions supported by everyday examples and easy hands-on activities introduce young scientists to wedges.
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Life for early humans wasn't easy. They may have been able to walk on two feet and create tools 4 million years ago, but they couldn't remember or communicate. Fortunately, people got smarter, and things got better. They remembered on-the-spot solutions and shared the valuable information of their experiences. Clubs became swords, caves became huts, and fires became ovens. Collectively these new tools became technology. As the 21st century unfolds,...
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A Selection of the Scientific American Book Club Profiling 50 of the world's most popular playthings including their history, trivia, and the technology involved this guide uncovers the hidden science of toys. Discover how an Etch A Sketch writes on its gray screen, why a boomerang returns after it is thrown, and how an RC car responds to a remote control device. Leaving no detail unrevealed, the guide includes original patent-application blueprints...
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"A galvanizing critique of the forces vying for our attention--and our personal information--that redefines what we think of as productivity, reconnects us with the environment, and reveals all that we've been too distracted to see about ourselves and our world Nothing is harder to do these days than nothing. But in a world where our value is determined by our 24/7 data productivity. doing nothing may be our most important form of resistance. So...
12) Context
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"One of the internet's most celebrated hi-tech culture mavens returns with this second collection of essays and polemics. Discussing complex topics in an accessible manner, Cory Doctorow shares visions of a future where artists control their own destinies and where freedom of expression is tempered with the view that creators need to benefit from their own creations. From extolling the Etsy marketverse to excoriating Apple for dumbing-down technology...
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In the Royal Navy vernacular, the term 'greenie' describes the officers and ratings responsible for the electrical engineering functions of the fleet. Electrical engineering has 'driven' the Royal Navy for far longer than one might imagine, from solving the problem of magnetic interference with the compass by the ironclad early in the 20th century onward. Author Commander Moore traces the development of technology from 1850 to today's integrated micro...
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"A Beginner's Guide to 3D Printing is the perfect resource for those who would like to experiment with 3D design and manufacturing, but have little or no technical experience with the standard software. Author Mike Rigsby leads readers step-by-step through 15 simple toy projects, each illustrated with screen caps of Autodesk 123D Design, the most common free 3D software available. The projects are later described using Sketchup, another free popular...
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Quantum mechanics gives us a picture of the world so radically counterintuitive that it has changed our perspective on reality itself. In Quantum Mechanics: The Physics of the Microscopic World, award-winning Professor Benjamin Schumacher gives you the logical tools to grasp the paradoxes and astonishing insights of this field.
16) The exponential age: how accelerating technology is transforming business, politics, and society
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"A revelatory take on where technology is taking us, from one of the worlds most-followed tech writers. We are entering the Exponential Age. Between faster computers, better software and bigger data, ours is the first era in human history in which technology is constantly accelerating. Azeem Azhar--writer, technologist, and creator of the acclaimed Exponential View newsletter--understands this shift better than anyone. Technology, he argues, is developing...
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"Scientifically-accurate illustrations and information-packed sidebars enrich this fascinating tale, the third in this acclaimed series about diversity and space exploration. Set in the future, Max the Dog's friend Tori is all grown up and is the chief scientist of the Jupiter Mission. In order to reach their spacecraft, Max and his crew must take an amazing ride on a new device called the Space Elevator. Once they've probed the planet's atmosphere,...
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"Who could imagine an idea born on a space station would help sustain our planet? Astronauts, living on the International Space Station, have to protect their resources because their lives depend on it. They learn to conserve water, air, food, energy, and waste. These efforts have in turn lead to . . . innovative ideas for air quality, food production, and water purification here on Earth"--Provided by publisher.
Description
This program covers the important topic of conservation of energy (part 2) in simple harmonic motion in Physics. We begin by discussing how in a perfect system energy is neither created nor destroyed. As the object swings, the energy is continually transferred from kinetic to potential forms and vice versa. The entire lesson is taught by working example problems beginning with the easier ones and gradually progressing to the harder problems. Emphasis...
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