Reduce costly leaks and breakdowns and increase the value of your RV with some simple maintenance. In this class, you'll learn how to inspect and refresh the sealants on the roof and sidewall. You'll also learn how to address faded fiberglass, damaged awnings, cracked decals and black streaks that can drop your RV's value. Finally, you'll see how to maintain the tires and deal with other common motorhome issues.

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.

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.

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.

Lengthen, strengthen and tone your muscles without joint stress.

Fast, fun program that chisels your body slim in just 20 minutes a day!

In this creative series, Claire Saffitz attempts to recreate our favorite childhood junk snacks, in the BA Test kitchen.

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.

Time-lapse photography gives you the ability to take a series of still images and show them at a fast frame rate to create amazing movement in your photography. This movement can feature changing light or weather, moving subjects, or shifting colors. In this class you'll learn about the gear, math and other factors needed to create a compelling time-lapse composition.

Take your free-motion quilting skills up a notch by learning how to quilt feathers and flowers. These two motifs can add a lot of interest and beauty to your quilts. Learn how to stitch them without having to mark your quilt, and learn where best to use them, whether as filler or as standalone motifs.