Posts tagged ‘bulb’
Why do Some Cars Have Blue Headlights?
Traditionally, cars have had yellowish headlights. Now, many cars have light blue colored headlights. Some cars come with those headlights from the factory and other times, owners will install similar systems or similar looking systems.
The factory blue headlights are known as HID (high intensity discharge) headlights. Just like the name describes, they’re brighter than normal halogen headlights.
Traditional lights heat a small metal filament to produce light while HID lights create a plasma discharge arc between two tungsten electrodes. It is this plasma discharge that creates the blue color. But, this technology is not new, it’s very similar to the bright lights that illuminate stadiums and roadways.
The brightness is the main advantage of these lights. Like rear fog lights, these headlights were popularized in Europe where fog, rain and curvy roads create demanding driving conditions. Because HID lights are brighter, they penetrate fog, rain and snow better than halogen lights — an advantage when the conditions are not ideal.
HID headlights are also more energy efficient than halogens, which isn’t a major concern in vehicles right now, but as we move to battery powered cars that will become very important — the less power accessories consume, the further the vehicle can drive on a single charge. (more…)
Instantly Brighten Your Basement With CF Lights
This secret is great for garages, basements, crawlspaces and outdoor spaces — where you can always use more light.
This is a cheap and easy way to give you a light boost without installing extra light sockets.
Now, it’s no secret that the beautifully spiraled compact fluorescent (CF) lights use less energy than their incandescent counterparts, which saves you money and ultimately reduces our energy demand. But, even if you don’t care about saving electricity, CF lights may still benefit you.
When you replace an old bulb with a CF, take a close look at the socket. There is usually a silver sticker that indicates the maximum wattage light that can be used in that socket. Typical light sockets will be limited to 40, 60 or 100 watts.
You can replace a 100 watt incandescent bulb with a 26 watt fluorescent bulb, which gives you the same amount of light while using 25% of the energy the old bulb used. But, if you use a 42 watt compact fluorescent, you’ll still be well below the 100 watt max and the light will output the equivalent to a 150 watt bulb. Because the compact fluorescent produces more light per watt, you’ve got a much brighter room.
I use two of these lights in my garage light sockets and it makes a huge difference when I’m working out there. I also have one in my basement, which makes a big difference compared to the 100 watt incandescent it replaced — especially since there are no windows in the area.
I’ll remind you that it is extremely important to check the socket or fixture maximum and be sure the compact fluorescent bulb’s consumption is equal or lower (although the “equivalent” wattage will likely be higher, giving you more light).
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