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This webpage features a 3 act math task by Dan Meyer. During this lesson, Meyer takes a piece of paper and make two different cylinders. Meyers tests which cylinder will hold more popcorn. The lesson includes two videos and a number of questions related to the volume of a cylinder. The following is...

This video from the Building Efficiency for a Sustainable Tomorrow (BEST) National Center is part of the center's 2023 Annual Institute. This video features Tim Lenton, Professor of Climate Change and Director of the Global Systems Institute University of Exeter. In the video, Lenton summarizes "...

This lecture series, from the Howard Hughes Medical Institute Biointeractive project, features the following lectures: "Understanding Embryonic Stem Cells," "Adult Stem Cells and Regeneration," "Coaxing Embryonic Stem Cells," and "Stem Cells and the End of Aging." Each lecture, available in Flash...

This video from CUNY Kingsborough Community College shows how to pour an Agarose Gel. The video describes the process step by step and would be easy to replicate in a laboratory setting. Running time for the video is 2:13.

This video, provided by Columbia Gorge Community College, is the first part of a two part lecture that discusses power factor and efficiency in alternating current (AC) circuits. During this lesson, viewers will "learn power factor concerns itself solely with the conversion of apparent to real power...

This video, provided by Columbia Gorge Community College, is the second part of a two part lecture that discusses power factor and efficiency in alternating current (AC) circuits. During this lesson, viewers will "learn power factor concerns itself solely with the conversion of apparent to real...

This video, provided by Columbia Gorge Community College, is the first part of a two part lecture that discusses power factor correction in alternating current (AC) circuits. During this lesson, viewers will "learn that power factor correction is the addition of a variable reactive element in...

This video, provided by Columbia Gorge Community College, is the second part of a two part lecture that discusses power factor correction in alternating current (AC) circuits. During this lesson, viewers will "learn that power factor correction is the addition of a variable reactive element in...

This video, provided by Columbia Gorge Community College, is the first part of a two part lecture that includes illustrated problems that feature power factor correction. This video runs 21:51 minutes in length. The second part of the lecture is available to view separately. 

This video, provided by Columbia Gorge Community College, is the second part of a two part lecture that includes illustrated problems that feature power factor correction. This video runs 26:12 minutes in length. The first part of the lecture is available to view separately.