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Solar Drive reuses the Chinese traditional method of showing time with sunlight. There are hour hand and minute hand which are two holes on the clock. The clock body can be stick on window with back sucker. During daytime light can go through the holes and indicate time. During night, LED inside the holes will be turn on to instead of sunlight. There are solar panels on back of the clock which can generate electricity and store energy in battery inside the clock body. In other word, the clock can indicate time with sunlight and it is also driven by sunlight without consuming extra energy. It is environmentally friendly and easy to understand.
Technology University Eindhoven