Anewdevice(设备)workslikeasolarpanel,exceptitdoesn'tharve...
问题详情：Anewdevice(设备)workslikeasolarpanel,exceptitdoesn'tharvestenergyfromthesuntoproduceelectricity.Instead,itusesenergyfromthecoldnightsky.Inthecenterofthisdeviceisathermoelectricgenerator(热电...