Archive for April, 2008

World’s Largest LED Chandelier

How does a 7000 pound, 35 foot diameter chandelier using high-brightness LEDs sound to you? Well that’s what was installed the other day at the Stanley Theatre in Utica, NY. The manufacturer, Meyda Tiffany based in nearby Yorkville, claims that it is the world’s largest LED chandelier. Here are details from the local newspaper and from an industry magazine.
The Stanley is one of those grand old movie houses from the 1920s, in an opulent style called “Mexican Baroque”. It’s one of the jewels of Central New York. I love going to the place and just looking around. Recently it has undergone a major renovation, including the creation of this world-record lighting fixture. There are two huge advantages to using high brightness LEDs over traditional incandescents: energy efficiency and lifespan. Typical household incandescents last around 1000 hours. By comparison, compact fluorescents last in the neighborhood of 5000 to 7000 hours. LEDs beat both by wide margins, lasting in the vicinity of 50,000 to 100,000 hours.
It is estimated that using traditional incandescents the chandelier would draw around 7400 watts. The LED version draws about 1100 watts for a 6300 watt savings. Assuming the unit is on for 10 hours per day, seven days per week and energy costs 12 cents per kilowatt hour, that’s an annual energy bill savings of nearly $3000. On top of this, the maintenance time is a very small fraction of a traditional system.
Of course, none of this even begins to touch on how beautiful it is.

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World’s Largest LED Chandelier

How does a 7000 pound, 35 foot diameter chandelier using high-brightness LEDs sound to you? Well that’s what was installed the other day at the Stanley Theatre in Utica, NY. The manufacturer, Meyda Tiffany based in nearby Yorkville, claims that it is the world’s largest LED chandelier. Here are details from the local newspaper and from an industry magazine.
The Stanley is one of those grand old movie houses from the 1920s, in an opulent style called “Mexican Baroque”. It’s one of the jewels of Central New York. I love going to the place and just looking around. Recently it has undergone a major renovation, including the creation of this world-record lighting fixture. There are two huge advantages to using high brightness LEDs over traditional incandescents: energy efficiency and lifespan. Typical household incandescents last around 1000 hours. By comparison, compact fluorescents last in the neighborhood of 5000 to 7000 hours. LEDs beat both by wide margins, lasting in the vicinity of 50,000 to 100,000 hours.
It is estimated that using traditional incandescents the chandelier would draw around 7400 watts. The LED version draws about 1100 watts for a 6300 watt savings. Assuming the unit is on for 10 hours per day, seven days per week and energy costs 12 cents per kilowatt hour, that’s an annual energy bill savings of nearly $3000. On top of this, the maintenance time is a very small fraction of a traditional system.
Of course, none of this even begins to touch on how beautiful it is.

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Dropsy, Digitalis and Darwin (Erasmus, that is)

So. It’s National Poetry Month. Type that key phrase into the “search” query field on the main page of SB, and you’ll find that April brings forth a veritable poetry slam among Science Bloggers. In this fine tradition, I will don my black trousers, turtleneck, jaunty (but dirty) beret, take a drag from my half-smoked Gauloise ciggie and go Boho here with a selection from the original Botanical Pornographer, Erasmus Darwin, Charles’ grandfather. Today, I have chosen his ode to digitalis. Cue bongo drums.

Read the rest of this entry »

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Acoustics 101

There’s a nice series of articles on acoustics and pyschoacoustics over at Audio Design Line. Part One, for example, looks at pressure waves, propagation velocity, frequency, wavelength, and related items.
The sequence is a nice overview if you’re interested in the mechanics of music and audio but have no formal training in the subject.

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