A new leaf was made by scientists at the Massachusetts Institute of Technology (MIT). This leaf made from silicon and electronic components provides us with clean alternative energy, so the invention is a big step. It divides water into hydrogen and oxygen. The shape of the leaf is like a playing card, and it is still too thin. The scientists say that if you just put it into water under the sun, it will supply enough energy for a whole day to a house in developing country. In addition, it's cheap to make. The research leader put it in his laboratory, and it worked for more than 45 hours. Converting water and sunlight to energy was a dream, which was thought never come true. The leaf prevent our earth from global warming. It will be used in place of nuclear energy, in Fukushima. However, it is still being developed, so the leaf will be an available resource in the near future.
People live in Japan, especially in Fukushima, are suffer from radiation, so I don't want to use nuclear power any more. It's too dangerous, but we use this power for a long time without thinking such dangerousness. From this accident, we learn that its risks. At the same time we realized that we can cut down the amount of power we use, if we try to. Therefore, we should try to budget our energy, and use such a eco-friendly power: artificial leaf.
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