P-dog's blog: boring but important

Astronomy and physics education research and comments, field-tested think-pair-share (peer instruction) clicker questions, flashcard questions, in-class activities (lecture-tutorials), current events questions, backwards faded scaffolding laboratories, Hake gains, field-tested multiple-choice and essay exam questions, indices of discrimination, presentation slides, photos, ephemerae, astronomy in the marketplace, unrelated random sketches and minutiae.

20100226

Found physics: B-type 67.5 volt battery

20100220484
http://www.flickr.com/photos/waiferx/4373720517/
Originally uploaded by Waifer X

20100220484
http://www.flickr.com/photos/waiferx/4373720519/
Originally uploaded by Waifer X

Eveready(TM) "B" type battery, 67.5 volts. "Always test 'B' batteries with a voltmeter—NEVER an ammeter." Photo by Cuesta College Physical Sciences Division instructor Dr. Patrick M. Len.

P-dog's blog: boring but important

20100226

Found physics: B-type 67.5 volt battery

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