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2008-08-28 Popular Science - Infrared signal: Hi, Your question is quite incomplete. If you want to convert a PwM (pulse width modulated) infrared signal, just pass on the width info to a fixed carrier wave (amplitude modulate it), and the job...
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2008-08-28 Astronomy - vacuum energy: Hi Robert, Yes, I belive the two terminologies are identical, see http://www.astronomybuff.com/vacuum-energy-dark-energy-and-richard-dawkins/ There can be no measurements because as yet, we/they don't...
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2008-08-28 Popular Science - science: ee, You must never ask vague questions! Overflow over what? 1 - Is the vessel into which you put the balls already full to its brim? or 2 - You mean why does the water not start coming out from...
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2008-08-25 Astronomy - Black holes: Hi, Yes Vicki, 1 - There is most cirtainly a supermassive blck hole at the center of the milky way, as evidenced by CHANDRA X Ray observatory. link:- New Twists on the Milky Way's Big Black Hole...
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2008-08-25 Astronomy - astronomy: John. Its the brightest star in the sky, the star Sirius. When bright stars are close to the horizon, they "twinkle" a lot with colors. This is due to the Earth's atmosphere. Hope you are drying...
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