Looks like it’s time to replace the gasket on that thing, there’s some light leaking out. I want one not just because it’s cool, but because I could use it to terrorize my sister. As soon as I made the “leaking” joke, she would take it literally. She’s six kinds of crazy, and [...]
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Ever wonder why so many street lights have that weird yellow-orange tinge to them? This is the signature of the Low Pressure Sodium lamp. The classic incandescent bulb runs electricity through a tungsten filament, causing it to glow, as Edison so famously demonstrated. Later it was discovered that using that same tungsten filament [...] My roommate at university insisted that he use 100 Watt lights in his room. They were to help him study better. I used 40 Watt lightbulbs because they gave my room some “mood lighting”. He did much better with both girls and school. I went to see “Wicked: A New Musical” last night [...] 
Most people are aware of the advantages low-voltage light emitting diodes (LEDs) over incandescent lights for vehicle lighting and flashlights: longer life, vibration resistance, lower power requirements, less heat; the list goes on and on. Meanwhile, the bulk of the general public has converted at least some of their incandescent home lighting to fluorescent tubes and integrated compact fluorescent lights (CFLs) in order to save money on energy and help protect the environment. Far fewer have considered LED home lights, which are available commercially but remain more of geek/techie niche. Higher-voltage LEDs offer many of the advantages listed above, but some drawbacks remain. Are they ready for mainstream use? |
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