Anewdevice(設備)workslikeasolarpanel,exceptitdoesn'tharve...
問題詳情：Anewdevice(設備)workslikeasolarpanel,exceptitdoesn'tharvestenergyfromthesuntoproduceelectricity.Instead,itusesenergyfromthecoldnightsky.Inthecenterofthisdeviceisathermoelectricgenerator(熱電...