Catalog Search Results
Publisher
TN Marketing
Pub. Date
2023.
Language
English
Description
From cutting tight curves to large sweeping curves, thin stock to thick timbers, bandsaws can handle it all. Equipped with the right blade, and correctly set up, a bandsaw offers amazing versatility. This class will provide you with the information you need to get the most out of your bandsaw, use it safely, and make it a go-to tool in your shop.
Publisher
The Great Courses
Pub. Date
2022.
Language
English
Description
Mining is one of the oldest applications of practical geology. Find out how metals are classified and how most are associated with igneous and metamorphic deposits. Some metals, like gold, can be mined in a pure—"native"—state that requires little processing. Discover how and where to go prospecting for gold, using the panning process perfected by the Forty-Niners in California.
Publisher
The Great Courses
Pub. Date
2022.
Language
English
Description
Visit the beach with a geologist's eyes and see how the interaction of waves, ocean currents, and winds lead to the ebb and flow of sediments and blending of landforms. Consider the four types of waves and what they reveal about the ocean floor just offshore. Also, zero in on individual grains of sand, identifying their minerals and tracing their origin. Reflect on why beaches are sandy at all.
Publisher
The Great Courses
Pub. Date
2022.
Language
English
Description
Fossils are one of the most exciting components of field geology. The term covers not only preserved ancient life-forms, but also evidence of their activity, such as footprints. Look at different ways nature has of preserving fossils—by encasing in amber, freezing, pickling, chemical alteration, and other natural processes. Ask what life-forms are likely to be fossilized and in what environments.
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
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
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
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
Go outside and find an outcrop—a roadcut, cliff face, or other site where rocks are exposed. These are ideal places for practicing field geology. Professor Cotter gives tips on safety, maps, tools, and techniques. A notebook and careful record-keeping are essential. Amateur geologists can make important discoveries, so field geology is your chance to advance knowledge while enjoying the outdoors.
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
Rocks are made up of minerals, which give rocks their immense variety. For example, the mineral quartz has the crystalline clarity of ice, while graphite is opaque and slippery, and pyrite has a metallic sheen. Most rocks are a mix of different minerals. Survey the most common types, analyze their chemistry and molecular structure, and learn how to identify them through a series of simple tests.
Publisher
The Great Courses
Pub. Date
2022.
Language
English
Description
Starting with the concept of strata—parallel layers of sedimentary rock lying one atop the other—learn how to look at a cliff face and read the strata like an epic adventure. The story can encompass hundreds of millions of years, involving advancing and retreating glaciers, falling and rising seas, the ebb and flow of life, and much else. Work up to the paragon of stratigraphy, the Grand Canyon.
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.
Publisher
The Great Courses
Pub. Date
2022.
Language
English
Description
Having learned about sediments, sedimentary environments, and how fossils are preserved, you are ready to go fossil hunting! Professor Cotter prepares you with background on rules and regulations, strategies for finding the best sites, and how to photograph and collect specimens. He closes with a quiz, challenging you to predict the types of fossils associated with different geologic formations.
Publisher
The Great Courses
Pub. Date
2022.
Language
English
Description
Reading rock samples like the pages of a book, Professor Cotter recounts the stories they tell of change across vast stretches of time. He presents three key concepts that will open your mind to the fun and fascination of practical geology. Then he focuses on the idea of deep time, noting that humans have been around for only an infinitesimal fraction of Earth's 4.6-billion-year geologic drama.
Publisher
The Great Courses
Pub. Date
2022.
Language
English
Description
Turn to non-foliated metamorphic rocks, those without a distinctive mineral orientation. Investigate the different geologic conditions that create such rocks. Then survey a wide selection, spotlighting their beauty (marble), utility (soapstone), durability (quartzite), and economic value (banded iron formations). Professor Cotter discusses a few of his favorite metamorphic sites.
Publisher
The Great Courses
Pub. Date
2022.
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.
Publisher
The Great Courses
Pub. Date
2022.
Language
English
Description
Dig into the mystery of groundwater. Apart from sinkholes and caves, there are no underground lakes or rivers. Instead, water fills the voids in porous rocks below a certain depth, called the water table. Discover how wells are dug and why it's a waste of money to hire a dowser, since water is practically everywhere if you dig deep enough. Also, consider the problem of groundwater pollution.
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
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.
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