This column is relevant to the following A-level topics:
• enthalpy
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Fuel from sunshine
If harnessed effectively, the Sun has the potential to meet all our electrical energy needs. Unfortunately, it is not available as a constant energy source, so there needs to be an effective way of storing its energy until needed. Scientists have attempted to store the energy from sunlight by replicating the process of photosynthesis that is carried out by plants. Much of this work has focused on the part of photosynthesis where water is broken down into oxygen and protons
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