In this video Paul Andersen explains how the energy in a closed system can be converted from kinetic to potential to kinetic energy. Sample problems and a simulation is contained.

Terri nasceu do seu ovo para explorar o mundo dos dinossauros

Not all complex fractions are created equally but there are some things you should know about complex fractions that will make simplifying them much easier.

In this project team leadership video, I tackle the absolute fundamentals of leading a project team, that every project leader needs to know.

There is a big chance we all have an abundance of empty cardboard boxes after Christmas. Let's turn them into toys! There is no such thing as "too many toys" is there? Here is a simple DIY ball sorter that will help you...

Los bosques de hoja caduca se encuentran por todo el mundo, desde Gran Bretaña hasta China. Este video trata sobre los espectaculares cambios estacionales que se producen en estos hábitats, así como el amplio conjunto de árboles...

This content solves a multi-part physics problem involving a solid ball that first rolls smoothly along a horizontal path, then up a ramp onto a plateau, and finally launches horizontally to land at a specific distance. It demonstrates...

This video explores the theme of fear and how individuals can overcome it in various situations, such as work-related fears, public speaking, and personal insecurities. It offers strategies like facing fears head-on, focusing on...

Susan Carey discusses her interest in studying abstract knowledge. Under a National Science Foundation-funded INSPIRE project, Harvard University psychologists Susan Carey and Deborah Zaitchik are studying how executive function...

More trials! This time we need to figure out what to do if you don't have all the things you'd like to have to perform your tests. How do you isolate a variable across multiple tests? A good engineer will work to find a way to make it...

We all know that failure is bad... but is it? Actually, Engineers need things to fail so they can understand how to make things better. In this episode of Crash Course Kids, Sabrina chats to us about failure points and how they can help...

Guns in Space

In today's video, I convert my CR-10 with a Bondtech BMG and E3D hotend to a direct drive setup. Direct drive allows for more flexible and exotic materials to be used but comes at the cost of a heavier extruder carriage. If you are not...

A brief streak of light in the night sky caused by a small object, maybe the size of a pebble or even a speck of dust, burning up as it enters the upper atmosphere from space.
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Learn how to read and interpret the status lights on your SMART Board!

A van delivers toy boxes to the shop, and a loader unloads them. The toys are displayed, but the small race cars can't see them. Luckily, Helper Cars are here to build a ramp so the little cars can choose their toys!

This brief video tutorial discusses the bones of the foot: 0:00​​. Intro to the bones of the foot 0.30. Tarsals 4:37. Metatarsals 5:15. Phalanges 5:52. In-a-nutshell 5:58​​. Acknowledgements