Conservation of charge is defined. Two common example problems are solved. The common mistake of forgetting about charge conservation is shown. Excess number of charge carriers is determined.

I saw this video online, and wanted to try it out for myself. Hope you enjoy!

MIT has patented an energy storage system it posits makes offshore wind energy more sustainable.

Given the radius or diameter and height, how do you calculate the area of a cylinder? <br/>
Cylinders, Cones and Spheres, Part 2

Learn why stories of journeys in the ancient world is mostly patchy and unknown.<br/>
***The interviewers audio is lower than the guest<br/> speaker***
Michael Scott on Classical Connections, Part 3

What is the formula to calculate the volume of a sphere? Given the radius or diameter, how do you calculate the volume of a sphere?<br/>
Cylinders, Cones and Spheres, Part 6

Lighter and stronger than regular metal, metal foam is designed for stronger body and car part replacements. This invention of materials engineer Afsaneh Rabiei is also being tested as body armor for the military. See how it works in...

What is the formula to calculate the surface area of a cylinder? What are the parameters of a cylinder? <br/>
Cylinders, Cones and Spheres, Part 1

Afsaneh Rabiei is a materials engineer at North Carolina State University who, with support from the National Science Foundation, has developed metal foam that's lighter but much stronger than "real" metal. It's designed for use in...

In a universe devoid of anything else, two identical spheres of mass, m, and radius, R, are released from rest when they have a distance between their centers of mass of X. Find the magnitude of the impulse delivered to each sphere until...

This tutorial demonstrates how to create perfect spheres in Microsoft PowerPoint. By using the ellipse shape tool, adjusting 3D rotation settings, and playing with effects like material and lighting, you can achieve realistic and...

In this video, the speaker explains the concept of environment and its various components, including living and non-living organisms. They also discuss the four spheres that make up the planet Earth and how human activities are affecting...

The video discusses a simple model of matter in which particles are represented by small solid spheres. It explains the properties of solids, liquids, and gases based on their fixed shape, volume, and compressibility. The video also...

The things you'll find in higher dimensions

In this video, the presenter teaches how to calculate the volume of cones, spheres, and pyramids. The shapes are introduced and explained, and the important formulas for calculating their volumes are provided. The presenter uses examples...

What is the formula to calculate the volume of a cylinder? Given the radius or diameter and height, how do you calculate the volume of a cylinder? <br/>
Cylinders, Cones and Spheres, Part 3

What is the formula to calculate the volume of a cone? Given the radius and height, how do you calculate the volume of a cone? <br/>
Cylinders, Cones and Spheres, Part 4

It explains gravitation, force of gravity and gravitational force. It talks about the universal law of gravitation and its importance.

In this video, the teacher explains how to calculate the total surface area of a cylindrical object using a cylinder made of paper as an example. The formula includes the area of a rectangle and the areas of two circles, and the video...

Surface tension holds the surface molecules of liquids tightly together and makes for some fun experiments!

What is the formula to calculate the surface area of a sphere? Given the radius, how do you calculate the surface area of a sphere? <br/>
Cylinders, Cones and Spheres, Part 5

This 3D shapes song sounds just like a modern pop hit and includes the most common 3D shapes: Spheres, cylinders, pyramids, cubes, and cones. Come along with the NUMBEROCK gang and try to follow along with the 3-D Shapes dance!

Wes Regan, a PhD student at the University of British Columbia studying the impact of misinformation, says democracy is threatened if we can't have open conversations with people who hold opposing views.

A town tucked away in rural south west Mexico has become an international Christmas powerhouse.