2011年4月5日 星期二

Further advantages of LED lighting

Further advantages of LED lighting include its ability to be dimmed without any shift in its color spectrum. This allows museums to increase or lower lighting for changing exhibitions without altering the color temperature of the light being produced. LED’s also provide a more focused light without any of the irregularities that occur when the tungsten halogen light passes through the lamp’s lens.

But perhaps the biggest advantage to using MSi LED lighting in museums is its contribution to the preservation of the objects that is housed there.But that doesn't mean Belpre resident sky lanterns Susan Drake is going to stop using them. Materials such as paints and fabrics can suffer damage and fading as a result of the ultraviolet and infrared light waves that are produced by tungsten halogen lighting. The light emitted by LED’s contains neither of these harmful wavelengths that can result in damage to priceless works of art.Richmond says this is a way for people purchasing pet food to subsidize the SPCA, which does led bulb "a wonderful job" and is known to be underfunded.

“The color rendering index of newest LED’s will now meet or exceed that of the traditional tungsten halogen lighting,” said Bruce Johnson, MSi managing partner.The accidental experiment came just weeks before the county r4i council is set to publish a new report on the future of the square. “That means that museums can now realize all the cost savings and preservation benefits of LED lighting while allowing visitors to view objects and colors the way they were intended to be seen."I trust that with University support, you and (redacted) have compact fluorescent the integrity and skills to be change agents," the letter said. "However, it is completely within the authority of the IFC itself to decide if it has the right leadership in place to lead this organization going forward."A team of scientists led by John Badding, a professor of chemistry at Penn led lights State, has developed the very first optical fiber made with a core of zinc selenide -- a light-yellow compound that can be used as a semiconductor.”

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