Martin Luther King Jr.'s Famous "I have a dream..." speech. August 28th 1963.

A tribute to Martin Luther King Jr

A plane breaks the sound barrier

Listen as Stephen Hawking, aided by 3-D animation, explains the concept of space-time and how black holes are formed.

Video of space debris breaking up in the atmosphere LIVE during Good Day Colorado around 6:15 a.m. Thursday January 4th 2007.

How do atoms bond to make molecules? How do molecules become the things and substances all around us? Watch and learn.

Exothermic reaction with vinegar, baking soda and a flame to produce C02.

Lesson 1 of 5 Third grade students use Smart Notebook and the Smart Recorder to present lessons demonstrating what division is in real life. These students are part of an EETT (E2T2) grant class.

Video of how to make dryland bottle ecosystems

This is a school project presented by a 4th grade middle-school pupil. It's intended to enhence pupils speaking skills.