Pufan (Gavin) Guo

Currently, 67.7% of Australia's electricity comes from fossil fuels. The extraction and use of fossil fuels has an irreversible impact on the environment, and changing the source of electricity in the home can mitigate the environmental harm caused by non-renewable energy sources.Watalight is a solar-powered home lamp that utilizes the principle that the refractive index of light in water is greater than the refractive index of light in air, whereby low-brightness light is enhanced by refraction through the water, and the light covers a wider area so it works as well as high-brightness light. work like high brightness light.