It is never a good feeling to wake up in the morning and glance in the mirror only to catch sight of a nasty, inflamed zit. Yikes! Sure, you probably expect to see whiteheads and blackheads on your delicate complexion as a teenager. However, adults typically do not foresee getting pimples when they are 32 [...]
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by: Dave Lavinsky Laser acne treatment has been around for a few years and it is quickly replacing more traditional forms of acne removal and prevention. As antibiotics become increasingly ineffective due to overuse, more and more people are opting for this new technique. During laser resurfacing, a doctor holds a laser pen just above the [...] 1. Avoid wearing too much Makeup is meant to enhance features and attract, not to raise negative attention which is what wearing too much will do. Don’t wear too much of anything such as: Eyeliner – dark, thick eyeliner will make you look overdone and will ruin the rest of your makeup. Mascara – too much mascara looks fake [...] |
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Snapshot of the International Space Station
 On March 13, 2008, the International Space Station passed across the field-of-view of Germany's remote sensing satellite, TerraSAR-X, at a distance of 195 kilometers, or 122 miles, and at a relative speed of 34,540 kilometers per hour, or more than 22,000 mph. In contrast to optical cameras, radar does not 'see' surfaces. Instead, it is much more aware of the edges and corners which bounce back the microwave signal it transmits. Smooth surfaces such as those on the station's solar generators or the radiator panels used to dissipate excess heat, unless directly facing the radar antenna, tend to deflect rather than reflect the radar beam, causing these features to appear on the radar image as dark areas. The radar image of the station therefore looks like a dense collection of bright spots from which the outlines of the space station can be clearly identified. The central element on the station, to which all the modules are docked, has a grid structure that presents a multiplicity of reflecting surfaces to the radar beam, making it readily identifiable. This image has a resolution of about one meter (about 39 inches). In other words, objects can be depicted as discrete units--that is, shown separately--provided that they are at least one meter apart. If they are closer together than that, they tend to merge into a single block on a radar image. Since this image was taken, the station has expanded and is more than 90 percent complete, including a full complement of solar arrays. Image Credit: DLR Read More |
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