Henry Carter Hull

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.

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.

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.

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.

Provides five ten-minute workouts combining yoga and Pilates-based movements aimed at toning abs, arms, shoulders, and backside.

Combines both classical and contemporary postures in a rigorous workout with a higher level of refinement, toning and aerobic activity.

Master cabinet making, and you open the door to many projects; cabinets for your shop or kitchen, bathroom vanities, book cases, dressers and more. This woodworking class provides every detail you need to build quality cabinets in your shop, including materials selection, dado and rabbet joinery, face frame joinery, door joints and more.

Learn to use your camera settings in manual mode to balance light in difficult lighting situations. In this class, you'll learn how to use shutter, aperture, and ISO together, how to meter light, how to reduce image noise, and more. When you're in full control of your camera's settings, you can work magic with light anywhere.

Whether you are looking to get started in hand embroidery or just brush up on your skills, the basics are all here. You'll learn about transferring patterns to fabric, hooping up, then stitching 14 different embroidery stitches. You'll be inspired to stitch up something one-of-a-kind in no time at all.

Tables, chairs and other forms of furniture rely heavily on mortise and tenon joinery. From scaling the joinery to suit your project to producing a perfectly fitting joint, this class will give you everything you need to know about the mortise and tenon joint, along with many great tips for making rock solid furniture, including edge-to-edge glue-ups for table tops, leg tapering and more.