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Archive for the 'Energy' Category
(Chronologically Listed)
Laser Printers and Inverters
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A question came up about whether a laser printer would work with an inverter. I first started running an HP LaserJet II on a pure square wave inverter about 20 years ago. Not a pseudo-sine inverter but a brute-force square wave, produced by a “baseband” (60hz) Tripp-lite inverter. This thing was a simple transformer-based blocking […]
Posted by neonjohn on August 4th, 2008 under Cool Stuff, Energy | 5 Comments »
Green Weenie Laughing Stock
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It’s not that often that one runs across a single incident that simultaneously illustrates so many things wrong in the world today. Here is one. Another version. At first blush what we appear to have is a revolutionary new lighting invention, a lamp that will run for hours using the energy supplied by a falling […]
Posted by neonjohn on February 22nd, 2008 under Energy, Science | 1 Comment »