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Energy Star lighting is good for the environment, as well. According to Energy Star, if every homeowner in the United States replaced just five of their most utilized lamps with Energy Star approved lamps, the effect would be to reduce greenhouse gas emissions from nearly 10 million vehicles.
Atomic clocks receive a radio signal from the most accurate clock in the world, the cesium atomic clock, transmitted from the National Institute of Standards in Fort Collins, CO. The radio signal that covers the entire United States will keep your clock accurate to within one second over one million years. You'll never have to reset the clock, even for daylight-saving time!
The US Naval Observatory which operated 70 "atomic clocks" provided the following background information about these clocks: 'A cesium beam atomic clock uses the exact frequency emitted by atoms of the metallic element cesium. Today, cesium clocks measure frequency with an accuracy of one second in 1,400,000 years! It is the most accurate realization of a unit that mankind has yet achieved. A cesium clock operates by exposing cesium atoms to microwaves until they vibrate and counting the corresponding cycles as a measure of time.
Not many people really think about how much they can do when faced with blank, white spaces. However, walls are the perfect canvasses, especially when it comes to decorating your home. Installing wall lights are great ways to add flair and decor to what was previously just space, though it may require a practiced eye at acing simple rules, such as when to use upward lighting as opposed to downward lighting.
You can pull off wall lighting with a variety of lighting fixtures. Wall sconces are common lighting products that are easy to install and provide a simple, underrated elegance to an empty hallway or bare walls. Wall lighting fixtures also include flush mounts and recessed lights. If you want to install wall lights for functionality, LED lights are usually your best bet; they offer a lot of brightness for less on the energy costs.
You may be BREAKING the LAW and not even know!Do you remember the Energy Independence and Security Act of 2007? In an effort to reduce America's energy consumption, this law limits the use of certain sizes of inefficient incandescent light bulbs. There seems to be a lot of confusion around this new law, and what it means to average consumers like you and me.
Technically speaking, Full Spectrum light covers the electromagnetic spectrum from infrared through near-ultraviolet, or all wavelengths that are useful to plant or animal life; in particular, sunlight is considered full spectrum, even though the solar spectral distribution reaching Earth varies with time of day, latitude, and atmospheric conditions.