Catalog Search Results
Author
Series
Electrical Engineering for Everyone volume 1
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.
Author
Series
Electrical Engineering for Everyone volume 23
Language
English
Description
Dr. Bottomley takes you on a virtual vacation to Rwanda to highlight myriad examples of electrical engineering all around the world. From your garage door opener to airport security, the technologies developed by electrical engineers are all around you before you even board the plane. But it's the electronics you'll find in an isolated game park that might really surprise you.
Author
Series
Electrical Engineering for Everyone volume 11
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.
Author
Series
Electrical Engineering for Everyone volume 10
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.
Author
Series
Electrical Engineering for Everyone volume 17
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.
Author
Series
Electrical Engineering for Everyone volume 8
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.
Author
Series
Electrical Engineering for Everyone volume 7
Language
English
Description
In the 1880s, Heinrich Hertz proved that the high-frequency phenomena of light and heat are also electromagnetic waves and Nikola Tesla invented the "Tesla coil" which served as the basis for the radio oscillator. A few years later, radio signals were sent and received across the Atlantic Ocean. Examine the developments that led to the television monitor and then the emergence of digital TV.
Author
Series
Electrical Engineering for Everyone volume 3
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.
Author
Series
Electrical Engineering for Everyone volume 13
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.
Author
Series
Electrical Engineering for Everyone volume 9
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.
Author
Series
Electrical Engineering for Everyone volume 14
Language
English
Description
In the original telephone system, the connection stayed in place until that one conversation was complete. But when email was developed in the 1970s and '80s, people weren't satisfied sending just one type of signal. Explore the development of the ethernet and internet and learn about the protocols that now allow us to send such a wide variety of information types.
Author
Series
Electrical Engineering for Everyone volume 19
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.
Author
Series
Electrical Engineering for Everyone volume 12
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.
Author
Series
Electrical Engineering for Everyone volume 21
Language
English
Description
When we drive a car, we process signals from all aspects of our environment-visual signals large and miniscule, sound, touch, and even smell. Learn what components we would need to create a reliable and safe system of self-driving cars-with signal processing as the basis-and why the system would be almost impossible to create and maintain without the benefit of artificial intelligence.
Author
Series
Electrical Engineering for Everyone volume 18
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.
Author
Series
Electrical Engineering for Everyone volume 5
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.
Author
Series
Electrical Engineering for Everyone volume 6
Language
English
Description
In the old-style analog telephone system, voltage increased and decreased across the wires, corresponding to the human voice signal. But in a digital system, that all changes. Learn how the human voice is changed into binary values, sent over the system, and then converted back into volts with the voltage applied to the speaker in the phone handset. The human ear takes it from there.
Author
Series
Electrical Engineering for Everyone volume 24
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.
Author
Series
Electrical Engineering for Everyone volume 2
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.
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