You can read an edition of The Immortal Life of Henrietta Lacks that weighs a few ounces, or you can read one that is a stream of bits stored along with a hundred other science books in your phone.
FORBES: Science eBook Lovers, Now You Can "Download the Universe"
That is, they produce a stream of electrons (electricity) by forcing two bits of charged material, say nickel and cadmium, to exchange electrons.
FORBES: Running in place
The two slivers of encoded bits are rejoined to the bigger, unscrambled video stream before it hits the home.
FORBES: Sony busts up the powerful cable-box duopoly.
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