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Author
Series
Show Me Science volume 1
Language
English
Description
According to ABET, or the Accreditation Board for Engineering and Technology: "Engineering is the profession in which a knowledge of the mathematical and natural sciences, gained by study, experience, and practice, is applied with judgment to develop ways to utilize, economically, the materials and forces of nature for the benefit of humankind." There is considerable overlap between science and engineering. Research teams often consist of one or...
Publisher
The Great Courses
Pub. Date
2022.
Language
English
Description
The science of electricity is considerably more amazing than magic. With dozens of live demonstrations, along with explanatory graphics and video, Dr. Laura J. Bottomley brings you on the amazing journey of electrical engineering—the discipline that has taken us from the electric lightbulb to interstellar space to artificial intelligence in less than 150 years.
Publisher
The Great Courses
Pub. Date
2022.
Language
English
Description
Explore the electronics in a typical home through this episode's virtual scavenger hunt. Watch while Dr. Bottomley takes apart a hair dryer, a CD player, a computer CPU, and other machines. You'll learn about the many electronic components you'll find inside—resistors, capacitors, inductors, transistors, integrated circuits, electro-mechanical switches, and more.
Publisher
The Great Courses
Pub. Date
2022.
Language
English
Description
Since 2006, the number of landlines has decreased, while the quantity of mobile phones and other communication devices now outnumber the entire human population. Explore how engineers have created the cellular systems required to manage large numbers of calls at once, even as the user moves from place to place.
Publisher
The Great Courses
Pub. Date
2022.
Language
English
Description
Discover the four revolutions in electrical engineering that have brought major opportunities and benefits to masses of people in just the past 150 years. Learn, specifically, what each of the four periods brought and the basic properties of the electron and electric circuits on which our entire electrified world is based.
Publisher
The Great Courses
Pub. Date
2022.
Language
English
Description
When people first realized that electricity could be controlled, it was the beginning of an explosion of opportunity, eventually leading to electronic circuits—circuits that can control other circuits. Learn why just two laws, Ohm's law and the conservation of energy, provide all the information and relationships needed to design circuits.
Publisher
The Great Courses
Pub. Date
2022.
Language
English
Description
Explore the earliest electronic computers, including Charles Babbage's Analytical Engine. Although Babbage was not able to completely build it out before his death, his "engine" was based on the same four components that define computers today—input device, some type of memory to store data and temporary calculations, a calculating processor, and an output device.
Publisher
The Great Courses
Pub. Date
2022.
Language
English
Description
The entire communication system between our brain and each of our senses is electrochemical, with each of our senses acting as a sensor that emits electrochemical outputs. Learn how this aspect of the body opens the door to electrical engineering solutions for medical problems—from cochlear implants to heart pacemakers to defibrillators.
Publisher
The Great Courses
Pub. Date
2022.
Language
English
Description
The development of the transistor was motivated by the need for a device that could amplify signals. How batteries could convert chemical energy to electrical energy was also developed. Learn how the emergence of these two technologies have allowed us to move from electric circuits to electronic circuits, in which one circuit controls another.
Publisher
The Great Courses
Pub. Date
2022.
Language
English
Description
What does the future of electrical engineering look like? Explore why answering that question depends on technological advances and … everything else in the physical and cultural environment. Using the now-defunct Picture Phone and Betamax as examples, learn how economics, politics, marketing, culture, and more affect which technologies are brought to market, and which will succeed.
Publisher
The Great Courses
Pub. Date
2022.
Language
English
Description
Electronic sensors—instruments that detect some type of physical quantity—have been around for more than 130 years, ever since the invention of the electric thermostat. Explore today's proliferation of sensors all around us and discover their basic similarities as they convert signals into electrical quantities that can be used to take action.
Publisher
The Great Courses
Pub. Date
2022.
Language
English
Description
From the moment your phone alarm wakes you in the morning until you turn off the lights at night, almost everything you do—cooking, working, driving, checking the news—is possible because of one simple fact: electrons carry energy. Consider the two ways electrons use their energy-carrying ability to create electricity.
Publisher
The Great Courses
Pub. Date
2022.
Language
English
Description
Explore cybernetics, systems that use information and feedback to control an output that has some type of goal, with feedback present. Discover the various parts of several cybernetic systems: your car's cruise control, an implantable insulin delivery pump, and a vending machine—three completely different control systems that all function with the same principles of cybernetics.
Publisher
The Great Courses
Pub. Date
2022.
Language
English
Description
When the Soviet Union launched Sputnik I in 1957, the space race was on. A US satellite was launched 14 months later and it demonstrated the feasibility of two-way satellite communications. Since then, electronic communications have become part of our daily lives. Follow the fascinating story that has led to the need for us to track almost 10,000 active satellites.
Publisher
The Great Courses
Pub. Date
2022.
Language
English
Description
How do we create the massive amounts of energy needed to power our cities and individual homes? We don't. Energy can neither be created nor destroyed, only converted from one form to another. Learn how electrical engineers use Maxwell's foundational equations—via four revealing demonstrations—to create generators to power our grids.
Publisher
The Great Courses
Pub. Date
2022.
Language
English
Description
While sound is not part of the electromagnetic spectrum, it can be manipulated, generated, and shaped by electric circuits. Explore what the signalscope output can tell you about the makeup of various sounds, from a single tone to the human voice to piano chords, and how these can be manipulated by circuits to synthesize entirely new sounds.
Publisher
The Great Courses
Pub. Date
2022.
Language
English
Description
No matter what source is used to generate electricity, that power must be distributed and managed to provide continuous and reliable energy for the end user. Explore the US power grid—much of which has been in place for more than 50 years—and discover the significant benefits a "smart grid" would bring.
Publisher
The Great Courses
Pub. Date
2022.
Language
English
Description
With the technological development of sensors, feedback control, Bluetooth, and machine learning, we can now network not just computers, but "things" as well. Discover the enormous advantages this "Internet of Things" can provide—from health care to transportation to manufacturing—if we can adequately address the significant concerns regarding privacy and security.
Publisher
The Great Courses
Pub. Date
2022.
Language
English
Description
With the advent of logic gates that could be assembled to perform mathematical or logical calculations, engineers could build up from very simple transistors and diodes to a powerful graphic calculator or complex system of facial recognition. Learn about why the numerical basis for logic gates is binary, and how they can be combined to form logic gate circuits.
Publisher
The Great Courses
Pub. Date
2022.
Language
English
Description
In the 1870s, Alexander Graham Bell was trying to improve the telegraph when he and his assistant discovered that speech itself could be transmitted over telegraph wires. Explore the subsequent engineering developments that brought the telephone to almost all households, including Bell's invention of twisted-pair cabling to reduce crosstalk, still in use today.
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