Solar lamps are a kind of energy-saving lamps powered by solar energy. They are usually a sealed container filled with a specimen containing a small amount of radon gas, as well as an inert gas such as helium or argon. When exposed to solar radiation, the radon gas will emit electrons which will react with the lamps electrodes, producing light. Solar lamps offer several advantages over traditional lighting sources. Firstly, they have lower energy requirements, which leads to lower electricity bills. Secondly, they cause minimal environmental damage since they do not produce any harmful chemicals or gases. Finally, they are generally more reliable and long-lasting as they have fewer moving parts than traditional lighting sources. The main disadvantage of solar lamps is their cost. Although the initial cost of solar lamps may be high, the long-term savings are significant, due to the lower energy needs and longer lifespans. Furthermore, solar lamps do not need access to a power source, so they can be located anywhere where there is adequate sunlight. Solar lamps are becoming increasingly popular as more and more people look for environmentally-friendly and cost-effective lighting solutions. As such, they offer an exciting opportunity to reduce both our carbon footprint and electricity bills.