Catalog Search Results
Publisher
The Great Courses
Pub. Date
2022.
Language
English
Description
Check out limestone, one of nature's most amazing rocks, with medical, economic, and sightseeing benefits. Not to mention, limestone provides insight into environments eons ago. Examine its chemistry and the ways it forms. Survey different kinds of limestone, including types that preserve detailed fossils. Finally, look at sinkholes and caves, which occur in limestone karst topography.
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
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
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
Soil may be the most important geologic resource on the planet. Discover how geologists classify soils, focusing on the concept of soil horizons, which are distinct layers that often vary in composition, color, and texture. Analyze how this cross section, which signals soil fertility, differs depending on the type of biome. Learn how soils form and how easily they are destroyed by erosion.
Publisher
The Great Courses
Pub. Date
2022.
Language
English
Description
Taught by Professor James F. P. Cotter of the University of Minnesota, Morris, this course teaches you the fundamentals of field geology. You learn the basics of rocks, minerals, and landforms, and how to apply this knowledge to read an outcrop, find and prepare fossils, assess soil and groundwater, prospect for gems and ore, and much more.
Publisher
The Great Courses
Pub. Date
2022.
Language
English
Description
Geomorphology is the study of landscapes and their individual landforms. Learn the five major influences on landscape formation. Use this background to tour the United States, which is a remarkable laboratory of geomorphology with features such as the Appalachian and Rocky Mountains, the Grand Canyon and Channeled Scablands, and more.
Publisher
The Great Courses
Pub. Date
2022.
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.
Publisher
The Great Courses
Pub. Date
2022.
Language
English
Description
Investigate glaciers, which now cover about 10% of Earth's land area; 25,000 years ago, they covered 30%. Learn how to spot evidence of past glaciation—from sculpted valleys in Yosemite National Park, to the cliffs at Vicksburg, Mississippi (which formed far from glaciers), to Minnesota's 10,000 lakes. Dig into the physics of glaciers: how they develop and the forces they exert.
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
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
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
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
Metamorphic rocks form under conditions halfway between those of sedimentary and igneous rocks. A good analogy is the process of glacier formation that turns snow into dense, interlocking crystals of ice. Focus on foliated metamorphic rocks, such as slate and gneiss, which have lineation patterns. Geologists can read these patterns to reconstruct ancient mountain ranges and plate boundaries.
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.
57) Purchasing an RV
Publisher
TN Marketing
Pub. Date
2023.
Language
English
Description
If you're in the market for a new or a used RV, do your homework with the help of this class. Learn about the classifications of RVs and get tips for choosing the right floor plan and features. Discover the differences between new and used, fifth wheels and motor homes, diesel pushers and gas vehicles. Gain an understanding of weight ratings, common expenses, certified inspection and roadside assistance plans. Get in the know so you can hit the open...
Publisher
The Great Courses
Pub. Date
2022.
Language
English
Description
Rivers are the key to understanding why many landscapes look the way they do. Study how rivers form, how they sculpt the land, how water and sediment move in a river, and how rivers change course over time. Rivers also create habitats for plants and animals, both of which influence the landscape. Finally, signs of vanished rivers tell the story of geologic events in the deep past.
Publisher
The Great Courses
Pub. Date
2022.
Language
English
Description
Sedimentary rocks make up a substantial majority of rocks at Earth's surface. In this episode, focus on clastic rocks, which are composed of broken fragments of pre-existing rocks. The fragments can vary in size from clay particles to silt, sand, gravel, and larger pieces. Learn how these rocks form and the rich stories they tell about the past.
Publisher
The Great Courses
Pub. Date
2022.
Language
English
Description
Consider how to put your knowledge of geology to use. Issues faced by your community may benefit from geologic insights about groundwater, watersheds, roadways, pollution, and historic questions such as abandoned mines and quarries. Practical geology will only grow in importance as the world deals with climate change, resource shortages, and the pressing need to live in harmony with the planet.
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