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Computers and smartphones can do
and more things nowadays. Fifteen years
, they could not store movies or play
-definition games. Computer chip
has advanced quickly. We can now stream movies and store
amounts of data. IBM has announced a
breakthrough in microchips. Its new chips have improved
of 45 per cent. They use 75 per cent less
. This is good for the environment. Batteries will be more energy
. Mobile phone battery life could quadruple. We might only need to charge phones every four
.