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POPSMercury's core may have iron showers. It may be some time before this can be proven, but they must reconsider some assumptions as they must with every exception to the rule. They believe it has an iron core because it has magnetic field. Perhaps they can send vibrations through somehow and study the echo in the same way they use a seismic echo from an earthquake to learn more about the earth's core. This idea,would no doubt have been considered, along with others. The question may be, how close to the surface of mercury the source of the vibration should be, the nature of the wave, and whether it can be done economically. Of course before then a completely different method may be discovered that will give an accurate result, but is as yet locked in the future, and beyond anything we can imagine at the moment.
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POPSAptera's 300 MPG car available for pre-order All that apparently comes at a bit of a premium over the initially-estimated $20,000 price, however, with the electric and plug-in hybrid models now set to run $26,900 and $29,900, respectively. If that's still in your ballpark, you can reserve yours now for a mere $500, with the first vehicles promised to be in drivers hands in 12 months or so.
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POPSSalt: The Key to Successful Solar Power SolarReserve will be able to produce electricity at night or in inclement weather. This product is more predictable than water reserves, the supply is free and inexhaustible, and the environmental impact is essentially zero.
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POPSStrategic Reserves That Go Undrilled This is so un-necessary. We have plenty of options. Solar, nuclear, wind, coal, off-shore drilling, more refineries; but there's a *cause* that will rise up and promote a reason to not proceed. When those in our northern states are freezing their buns, maybe the outcry will rise at those who are blocking every option...instead of supporting the ones we have and encouraging our potentials and possibilities. But heck! let's keep the political ball rolling about Bush/Cheney and the oil businesses and 'oh, woe is me' and continue to wallow in stagnation. That will spell progress and energy independence. s/off!
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