How is the chemical energy of gasoline transformed into kinetic energy of a moving car? And where does that kinetic energy go when the car crashes into something and stops moving?

In this video Paul Andersen explains how mass can be converted to energy and energy can be converted to mass. The equation E=mc2 can be used to determine the amount of energy released from nuclear processes.

When photographed under a 3D microscope, grains of sand appear like colorful pieces of candy and the stamens in a flower become like fantastical spires at an amusement park. Gary Greenberg reveals the thrilling details of the micro world.

How is the chemical energy of gasoline transformed into kinetic energy of a moving car? And where does that kinetic energy go when the car crashes into something and stops moving?

In this video Paul Andersen explains the different forms and units for energy. A discussion of the laws of thermodynamics is also included. Sample conversion problems using dimensional analysis is also included.

Mr. Andersen defines the terms energy, work and power. He also uses a simple example to calculate both work and power.

In this video Paul Andersen explains how the work is a product of the external force applied to an object or system and the distance it moves. Power is a measure of the amount of work done per unit time. The work can be calculated as...

Mr. Andersen explains the difference between potential and kinetic gravitational energy. He also uses physics to calculate the energy in various objects.

Howcast - Learn three tips for how to take care of a poison dart frog from reptile and amphibian expert Jungle Bob in this Howcast video.

Howcast - Learn five cool facts about poison dart frogs from reptile and amphibian expert Jungle Bob in this Howcast video.

Famous Asian Crowns

Today Henry meets a Bowtie from a tuxedo suit. Bowtie is sick of going to weddings and getting gravy stains down him all the time and dreams of the exciting glamorous life of a secret agent. Henry becomes a secret agent with lots of...

Discover how Ancient Egyptians, especially pharaohs like King Tut, believed in taking their possessions into the afterlife. Explore the fascinating items found in Tut's tomb, from gold coffins to everyday objects, and learn how these...

This video explores five fun facts about Dragons.

Get all setup for Amazon's Rings of Power with some backstory to the origins of evil and the woes of the Elves in JRR Tolkien's Middle-Earth.

What does it mean to be a citizen of biology? Drew Endy, associate professor of bioengineering at Stanford University, answers the question on this edition of Ask a Scientist.

Part 2 of Henry VIII describes the fabulous outfits King Henry wore; the different types of fabric such as buckram, taffeta and velvet used as well as the jewels and the diamond as big as a walnut

The Chinese Massacre of 1871 was the deadliest lynching in U.S. history – wiping out 10% of LA’s immigrant Chinese population in the space of just a few hours.

Watch this lesson today to discover how Shakespeare explores attitudes towards money in The Merchant of Venice. In Venice, everything is about money, even in questions of friendship, religion, marriage, families, rivalries…

Along...

Given certain parameters, how would you solve this problem?<br/>
Physics Work, Part 3

In this video we explore the Taj Mahal and the wonderful story behind it.

Explore how gemstones get their colors. We learn that gemstones absorb and reflect certain light waves based on their chemical structures, resulting in different colors. Some gemstones are self-colored, while others are colored by...

Alkene Addition versus Elimination: A Thermodynamic Approach

Mr.p rides a bike and drives a car to help you learn about Kinetic Energy.