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81Yardsellr, a Wonderful Complement to eBay
Frustrated by the inexplicable decrease in traffic and sales, a veteran eBayer determined that he was going to constructively do something about it rather than get stuck in the muddy river of complaining. In the process, he discovered an important concept--alternatives don't have to be absolute rivals; instead, they can be healthy complements to each other.
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63Light Speed is not Constant
When a light bulb is turned on does the light emitted fill the entire house? Absolutely not. Light bends and refracts about mass particles it comes into contact with and eventually slows to a stop. The strenght of the source of light along with the...
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69Photonic Antennas - Residential and Theoretical Applications
Photonic antennas use optical wavelengths and photonic materials or components while carrying or processing signals. Such antennas can receive microwave signals such as TV signals and relay them to fiber-optic cable subscribers; they also receive cell phone signals and transmit the information to Voice over Internet Protocol users. Photonic antennas already exist in fiber-optic cable systems in private homes and businesses.
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70The Different Colors of Aurora
Auroras are luminous displays of lights most commonly seen in the arctic and antarctic regions. Auroras are produced by the interactions between high energetic particles from the Sun and the atoms and molecules composing Earth´s atmosphere. Their luminous displays can be seen at the temperate latitudes when these atoms and molecules are excited by strong magnetic storms.
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58photon 4g
The Motorola Photon 4G is one of Sprint's premier handsets. With a fast processor, brilliant screen and the ability to use Sprint's 4G network, the Photon just might be the perfect phone. Most noticeable about the Photon are its unique, rounded-off...
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63Asteroids: "It Came From Outer Space!"
Jupiter's juggling act occasionally fails When this sci-fi movie was made 60 years ago, we knew relatively little about bodies in space that have - and will - collide with our planet. The benign aliens arriving in the Arizona desert were tough...
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66The Radiant Radioactive Electromagnetic Spectrum
The Electromagnetic (EM) spectrum is a mwans of measuring different forms of radiation and arranging them in order in order. Some are visible and others aren't, some affect us here on Earth and others don't.
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60Black Lights All Aglow
FLuorescent lights, which were popular in the 1960s, are still used today for everything from artistic decorating to scientific applications. But it's still fun to try and find things that glow under black lights, especially once you know how they work.
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88What is momentum? An intuitive understanding.
Something like "force" is intuitive because we equate force with pain. Getting punched at school (as most geeks learn) hurts, and the more of this 'force' that the bully uses, the more it hurts. Similarly, energy has an intuitive experience. The parodied geek character will tell you all about that 200m into the school cross country run. But what is momentum?
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