EntityQ1334758· pop 26· linked from 30 articlesCrookes radiometerSign in to savedevice that rotates under influence of lightConnectionsvacuumEntityAlbert EinsteinPersongoldEntitymoleculeEntitytemperatureEntityInternational Standard Book NumberEntityJames Clerk MaxwellEntityNewton's laws of motionEntitynanotechnologyEntityelectromagnetic radiationEntityinfrared radiationEntityphotonEntitysolar energyEntitydigital object identifierEntitymomentumEntitysquare rootEntitysuffixEntityprefixEntityRoyal SocietyEntityfrictionEntityCategories19th-century inventionsBritish inventionsElectromagnetic radiation metersEnergy conversionExternal combustion enginesHeat transferHot air enginesNovelty itemsRadiometry