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Description
Space, Time, Matter"The standard treatise on the general theory of relativity." Nature "Whatever the future may bring, Professor Weyl's book will remain a classic of physics." British Journal for Philosophy and Science Reflecting the revolution in scientific and philosophic thought which accompanied the Einstein relativity theories, Dr. Weyl has probed deeply into the notions of space, time, and matter. A rigorous examination of the state of our knowledge of the world
"The standard treatise on the general theory of relativity." -- Nature"Whatever the future may bring, Professor Weyl's book will remain a classic of physics." -- British Journal for Philosophy and Science
Reflecting the revolution in scientific and philosophic thought which accompanied the Einstein relativity theories, Dr. Weyl has probed deeply into the notions of space, time, and matter. A rigorous examination of the state of our knowledge of the world following these developments is undertaken with this guiding principle: that although further scientific thought may take us far beyond our present conception of the world, we may never again return to the previous narrow and restricted scheme.
Although a degree of mathematical sophistication is presupposed, Dr. Weyl develops all the tensor calculus necessary to his exposition. He then proceeds to an analysis of the concept of Euclidean space and the spatial conceptions of Riemann. From this the nature of the amalgamation of space and time is derived. This leads to an exposition and examination of Einstein's general theory of relativity and the concomitant theory of gravitation. A detailed investigation follows devoted to gravitational waves, a rigorous solution of the problem of one body, laws of conservation, and the energy of gravitation. Dr. Weyl's introduction of the concept of tensor-density as a magnitude of quantity (contrasted with tensors which are considered to be magnitudes of intensity) is a major step toward a clearer understanding of the relationships among space, time, and matter.
Binding Type: Paperback
Publisher: Dover Publications
Published: 06/01/1952
ISBN: 9780486602677
Pages: 368
Weight: 0.79lbs
Size: 8.01h x 5.44w x 0.72d
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4.4 ★★★★★
Based on 26 reviews
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Product Reviews
★★★★★ 5
Smells amazing
Scent: Assorted
Smells amazing,very happy with this
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Reviewed in the United States on March 2, 2026
★★★★★ 5
They leave ur body smelling good
My husband loves it
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Reviewed in the United States on March 19, 2026
★★★★★ 5
HIGHLY RECOMMENDED. Spells great
I use this product everyday and have used an entire set. They smell great and get you clean, there is a loofa bag included where you put the soap inside and makes scrubbing convenient.
Recommend if you want to feel clean and smell really good.. this is the set you can use. I know the ladies like it a lot. I get compliments all the time.
One lady told me "You smell like money"... LOL.. true story.
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Reviewed in the United States on January 2, 2025
★★★★★ 4
Great scent, but leaves a film on my skin.
I was expecting bars of soap with more of a peppermint/eucalyptus fragrance and I just could not relate those fragrances to what the soap actually smells like. The Viking Revolution soap doesn't smell bad per se, and actually for me is rather fragrance neutral like you might find with the more sterile hospital and clinic type soaps.
The lather factor for the Viking Revolution soap is mild to moderate in our hard water. It doesn't overdo lathering up but does lather up enough to let you know it is soap and is rather pleasing when rinsing it off where with some soaps you rinse and rinse and still need to rinse more to get the lather off your skin.
I wash my hands and face many times throughout the day and night and so far the Viking Revolution soap has done a great job in leaving me feel a bit more refreshed and clean. I have noticed a bit of moisturizing of my face and hands being much softer after use, so the Viking Revolution soap does seem to come through with that feature. I handle and am around livestock and animals quite often and did notice that the soap seemed to cut through the grime pretty easily. I haven't tried the Viking Revolution as a body wash type soap. The square bars are just about a perfect fit for my hand and are easy to hold onto. I will use one bar for the shower and keep the bar in a drip rack where it has a chance to dry out after use.
I do really like the presentation of the soap itself and it's a nice touch that each bar comes individually wrapped and includes a sticker and a small card. A rather attractive package if you are giving it for a gift. I'm more favorable of recommending this soap than not recommending it. The only reason I am giving 4 stars is for the fragrances not really being detectable as peppermint and eucalyptus.I do think I would buy this soap again though, fragrance or not.
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Reviewed in the United States on January 14, 2024
★★★★★ 5
Awesome soap!
I love this soap. It was a little small, ut was great quality. If smelled good and did not break me out. I have very sensitive skin and this was very gentle on my skin. I usually use caswell and Massey soap and this soap is every bit as good as my normal c&m soap. Very good soap. I Will definitely will buy again.
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Reviewed in the United States on June 2, 2024
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