Mr. Andersen describes the virtual fly lab. Software at sciencecourseware.org allows for multiple matings and statistical analysis.

In this video Paul Andersen shows conceptual thinking in a mini-lesson on cause, mechanism and effect.

T
ERMS:
Cause - a thing that gives rise t
o an event
Ef
fect - an event
Mechanism - the process und
erlying a...

Caroline Phillips cranks out tunes on a seldom-heard folk instrument: the hurdy-gurdy, a.k.a. the wheel fiddle. A searching, Basque melody follows her fun lesson on its unique anatomy and 1,000-year history.

After speaking at TED2007 on elegance in physics, the amazing Murray Gell-Mann gives a quick overview of another passionate interest: finding the common ancestry of our modern languages.

In this video Paul Andersen explains how the angular momentum of an object if a product of the rotational inertia and the angular velocity. The rotational inertia depends on the mass, radius and shape of the rotating objects. A sample...

In this video Paul Andersen explains how energy can neither be created nor destroyed but may be transferred. Energy comes in many forms (including chemical, mechanical, light, electrical, and thermal). In AP Chemistry students must be...

Howcast - Learn how to do the Willie bounce for a back workout from fitness instructor Michelle Seabreeze in this Howcast dance workout video.

Howcast - Learn how to do combo dance moves for an arm workout from fitness instructor Michelle Seabreeze in this Howcast dance workout video.

Howcast - Learn how to crank and shake for an arm workout from fitness instructor Michelle Seabreeze in this Howcast dance workout video.

Howcast - Learn all about cranksets from Silk Road Cycles' Brendon Nicholas in this Howcast bicycle repair and maintenance video.

Howcast - Learn how to remove a crankset from Silk Road Cycles' Brendon Nicholas in this Howcast bicycle repair and maintenance video.

Howcast - Learn how to install a crankset from Silk Road Cycles' Brendon Nicholas in this Howcast bicycle repair and maintenance video.

Howcast - Learn how to remove and install bike pedals from Silk Road Cycles' Brendon Nicholas in this Howcast bicycle repair and maintenance video.

Howcast - Learn how to do the Sexy Walk with Cranking from professional dancer Charlene "Chi-Chi" Smith in this Howcast dance video.

Howcast - Learn how to distribute your weight on a BMX from expert Francisco Colón in this Howcast video.

Howcast - Learn how to do an ET and a backwards ET on a BMX from expert Francisco Colón in this Howcast video.

Howcast - Learn how to do half cabs on a BMX from expert Francisco Colón in this Howcast video.

Howcast - Reeling a fishing rod has small quirks that can be easily overcome with technique.

Howcast - A brace drill consists of a head, crank, crank handle, ratchet mechanism, and chuck. Here's how to put one to use.

Howcast -Learn how to identify the parts of a sewing machine from Fabricworm.com founder Cynthia Mann in this Howcast video.

This animated phonics song helps children learn the ending sound ANK in English. An ending sound is a combination of letters that makes a different sound than the sounds the letters would make alone. Fun characters teach kids two words...

This video provides a fun and informative look at ducks, highlighting their unique characteristics such as webbed feet, waterproof feathers, and diverse diet. Viewers will learn about the different types of ducks, their behaviors, and...

Philosopher Scott Soames (USC) traces the origins of our modern computer age to Gottlob Frege’s application of functions to logic.

A video entitled “Compare Two Solutions” which demonstrates how to compare and test two tools designed to solve the same problem.