Monthly Archives: May 2010

Human: How many watts of power?

= . One of our staff asked today “how many watts of power does a human use in a day”? Here’s the answer from Physics Forum: 96.85W . Details on the computation are at: http://www.physicsforums.com/archive/index.php/t-114431.html .

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Development Timeline of the Laser

In recognition of the 50th anniversary of the laser, publisher Photonics Spectra has created a laser development time-line.  It’s pretty cool and you can interactively trace the history of the development of the laser starting with Max Planck (1918 – … Continue reading

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The humble duplex

Gotta love these reviews: http://www.parts-express.com/pe/showdetl.cfm?Partnumber=110-439&vReviewShow=1&vReviewRand=2818820

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Old technology we don’t use anymore

. My friend Mike shared this link with me.  Love the list of old technologies that are basically no longer used except by niche users and collectors.  Some are still in use such as Ham Radio, but certainly not like … Continue reading

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