Intrigued Londoners looked on today as
a mobile phone was charged by a
strange contraption made of 800 apples
and potatoes connected with nails and
copper wire
Intrigued Londoners looked on today as a
smartphone's battery was charged by a strange
contraption made of 800 apples and potatoes
connected with hundreds of nails and lengths of
copper wire.
The art installation was created outside the
Westfield shopping centre in Shepherd’s Bush,
essentially just a large-scale version of the
classroom science experiment where a single
potato is used to power a digital clock.
By stringing 800 pieces of fruit and vegetables
together with galvanized nails and wire, artist
Caleb Charland was able to scale-up the power
output so much that it could charge a mobile
phone – in this case a Nokia Lumia 930, charged
via a wireless mat.
The hand-built circuit created an electrical current
of an average 20mA and around six volts.
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