No need to use battery-a lemon drived small electronic alarm clock

Examples of the use of bio-energy we have seen, but so intuitive to use,notebook battery,yet sophisticated design that is rare. Anna Gram French designer's new work "Citrus Clock" the use of very simple and clear, is to use a lemon to drive your alarm clock. In fact, it's working principle and PV in 1799 invented the world's first one is basically the same fujitsu laptop battery, the zinc electrode and copper electrode were inserted into saline or acid liquids, will be able to generate electricity. Of course, here all the two halves of the lemon on to play the role of the acidic liquid. Designers that can drive a lemon electronic form more than one weeks work. While this may be far more than the cost of batteries, but the display is not the purpose of this design so that we all use lemon orange when the battery, but is being used to remind us all the energy actually comes from nature.
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