This video provides a concise history of the bicycle, from its early designs to the modern-day advancements. It highlights key moments in the vehicle's evolution and emphasizes the benefits of cycling, including its affordability, low...

This video offers a concise explanation of how pendulum clocks work, focusing on the role of the pendulum and its interaction with the gears of the clock. It highlights the energy conversion involved and how the pendulum regulates the...

In this video we’re going to learn about levers and gears. Levers are simple machines or mechanisms that make work easier to do. They use moments. To reduce the force needed to perform a task. Gears are wheels with teeth on the edges...

In this class, students will complete projects using VEX Robotics, a set of materials for building structures and robots. The four main types of VEX parts are structural, motion, electrical, and fasteners. Proper care and handling of the...

It’s a fun Phonics Song for kids! Sing along and learn the letters of the alphabet A-Z, and the phonics sounds too!

Bacterial flagella are very hard to spot in our footage, but we see evidence of them in almost every single one of our videos. The question is, how do they work, and are they different from the other flagella we've discussed?

Gear pumps are positive displacement rotary pumps that transport high pressure, high volume flows. The two types of gear pumps include external and internal. In this course you will learn about the functions and purposes of gear...