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Scientists detect highest-energy ghost particle ever seen — where did it come from?"History shows us that whenever you do open a new 'energy window,' you never really know what you're going to find. It's completely unexplored." ...
Their replacement equivalents, compact fluorescent lightbulbs and light-emitting diode bulbs, are bright, use 75 to 80 percent less energy, and can save you $60 to $125 dollars per bulb in energy ...
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