Dǎɣ təbiɗawt tatiwafanat, aliɣi ən awadəm əd ugud wa eqalan wadazaran aliɣi ən thermodynamique.
Context:Daɣ attarex, thermodynamics ijja efes net daɣ derhan n tiw-at n alxidmat n motor tan wi azzarnen n adu hullan s alxidmat tan physician n France Sadi Carnot (awatay wan 1824) ijja ɣur is as alxidmat n motor eqqal titbaqqet addobat a ti idhal s France daɣ ikinnasan win Napoleon " Kelvin eqqal awadim wa ezzaran id eɣnan almaɣna n thermodynamics daɣ awatay wan 1854 s allaɣat ""Thermo-dynamics eqqal majrad n aharoj jir efew d assahat jir ichrutan n tiɣiswen tolas aharoj jir efew d electrical agency"" Fizisyen wan allemand d matematik Rudolf Clausius eɣna tamkare tan Carnot s isim net Carnot cycle tolas ikf-a mirda wan efew ijjit n tiditt tolas assohen Əlkitab iness wa ogaran aśuhu, "Dǎɣ assahat ən təwaƭ ən takusse", atiwazayan dǎɣ 1850, wa dazaran ina ašareɣa wa səsin ən thermodynamique. Daɣ awatay wan 1865 isassaɣraw tifert tan entropy Dǎɣ 1870, iga təmusne tan virial, taqalat atiwagan fal takusse.
Fizisist wan Ecosse-Irlande Lord Kelvin eqqal wa ezzaran i ad eɣna almaɣna n thermodynamics daɣ awatay wan 1854