Coal and oil, sun, water, and wind - this course illuminates the science of energy sources. An expert geophysicist reveals how we power our lives. -- Professor Wysession walks you through a wide portfolio of renewable and non-renewable energy sources, including coal, oil, natural gas, solar, wind, geothermal, and nuclear fission. You?ll examine how these sources work, the engineering marvels that adapt them to human needs, the economic and environmental...

Discover the ever-surprising world around you by exploring plants with a botanist.

Learn how ancient Egyptians, Greeks, Indians, Chinese, and other cultures saw the sky and how the sun, moon, and stars were their clock, calendar, and compass. Constellations encoded their mythologies and the perfection of the heavens inspired religious and philosophical ideas, ultimately laying the foundation for modern science.

Pull back the curtain on nature's deepest secrets and get a glimpse of the theory that ties everything together.

520 Everyone loves to see the beauty of the star-studded night sky, but how many of us understand what makes stars shine, where Saturn's rings come from, or why galaxies have their distinctive shapes. Observational astronomy excels at cataloging celestial objects, but it takes a more rigorous discipline to come up with physical explanations for them. That field is astrophysics, which uses the laws of physics to investigate everything beyond Earth....

In their astonishing physiology and behavior, birds are among the most ingenious and resourceful of animals, and a marvel of our natural world. In these 12 lectures, you'll discover the remarkable beneath-the-surface world of birds: their evolution, underlying science, and fascinating lives in the wild, through key subject matter such as: The Miracle of Flight-Learn how a bird's wings operate as an airfoil, producing lift, thrust, and drag, and how...

"An acclaimed physicist uses analogies to everyday life to teach the rules that govern the microscopic world of particles in this accessible introduction to quantum theory."

Learning Java Programming teaches you how to write computer programs in Java and shows how everyday programmers use this language to build desktop graphical user interfaces (GUIs) and mobile applications for Android devices. Software engineer, teacher, and expert Java programmer Paulo Dichone deliver 36 highly interactive lessons that reveal not just how Java works, but some of the many insider tips and tricks programmers use to solve problems. Equal...