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How? Where? Where did you learned this from?

I feel like we should define this first before moving on to the other stuff on your comment


Also i hate 'etc' because it means nothing at all in...

Thanks all for the comments.

Another question I had is: If it's so simple and doable, why hasn't it been done already? Or perhaps it has :-)

This certainly reminds me of the devices described in some science fiction books... Apparently, this is now feasible and (relatively) affordable.


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