Caution, foward looking statement, any investment is always risky.. But this is a very stable investment, poised for growth, and since they are 100% recyclable, enviromentally friendly...
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Electron lifetime is at an all time high, I suggest you buy as many as you can store.....

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Looks like Electrons will be around for a while, with very low decay rate when outside of particle accelerators:
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http://physicsworld.com/cws/article/...000-yottayears
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Steve