{"product_id":"warmth-course-the-theory-of-heat-second-scientific-lecture-course-9781957569000","title":"Warmth Course: The Theory of Heat: Second Scientific Lecture Course","description":"\u003cp\u003eFollowing his first scientific course the previous year (\u003cem\u003eThe Light Course\u003c\/em\u003e), in these lectures Rudolf Steiner discusses the nature of warmth, its relationship to the four states of matter, to light, to color, and to the subearthly and superearthly realms. He extends the modern ideas of physics through aspects of understanding achieved by spiritual science. With extensive notes and diagrams, this work comprises essential reference material for natural science teachers, as well as interested parents and anyone wanting a deeper understanding of a theory of heat and warmth based on spiritual science.\u003c\/p\u003e\u003cbr\u003e\u003cbr\u003e\u003cb\u003eBinding Type:\u003c\/b\u003e Paperback\u003cbr\u003e\u003cb\u003ePublisher:\u003c\/b\u003e Mercury Press (Canada)\u003cbr\u003e\u003cb\u003ePublished:\u003c\/b\u003e 04\/03\/2023\u003cbr\u003e\u003cb\u003eISBN:\u003c\/b\u003e 9781957569000\u003cbr\u003e\u003cb\u003ePages:\u003c\/b\u003e 214\u003cbr\u003e\u003cb\u003eWeight:\u003c\/b\u003e 0.59lbs\u003cbr\u003e\u003cb\u003eSize:\u003c\/b\u003e 8.50h x 5.50w x 0.48d","brand":"Rudolf Steiner","offers":[{"title":"Default Title","offer_id":43568820748469,"sku":"9781957569000","price":21.21,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0473\/0804\/6492\/files\/img_1034fd9f-f4ec-4e9c-8251-c5c51baf199f.jpg?v=1706631407","url":"https:\/\/pastforward.org\/products\/warmth-course-the-theory-of-heat-second-scientific-lecture-course-9781957569000","provider":"Past Forward","version":"1.0","type":"link"}