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Archive for the 'Science' Category

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Progress in Lighting

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I just got a new gadget so I decided to do some testing.   There have been several new developments in the LED lighting arena so I decided to do a comparison between my old standby the 104 watt organ tube CFL, a modern 75 watt equivalent CFL and a 100 watt equivalent Cree LED. […]

Posted by neonjohn on July 28th, 2017 under Lighting, Product Reviews, Science | Comment now »

Protected: Mini-Ductor® Induction Heater

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There is no excerpt because this is a protected post.

Posted by neonjohn on January 8th, 2010 under Electronics, Induction heating, Science | Enter your password to view comments.

That Worthless UL Label

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If you’re a “Boomer” like me, you were probably raised up to respect that UL or “Underwriter’s Laboratory” label on electrical stuff. I still remember the ads on TV. The label really meant something too. UL started out as an independent testing laboratory funded by the insurance companies to test boiler safety valves and related […]

Posted by neonjohn on November 24th, 2008 under Current Events, Philosophy, Product Reviews, Science | 5 Comments »

Eye Fluorescence

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Recently on the neon mailing list the topic of eye fluorescence came up. That is, the glow one can see in the eye that’s being illuminated with UVA, AKA Black Light. There was some question as to whether the effect even happened or not. Having had a typical Boomer teenager’s bedroom, that is, one flooded […]

Posted by neonjohn on July 14th, 2008 under Cool Stuff, Science | 2 Comments »





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