SKU: 77523189311

The Perfect Theory: A Century of Geniuses and the Battle Over General Relativity

Sale price$12.20 Regular price$13.56
Save 10%

Shipping Estimate
USA
  • USA
  • CAN

Ships within 48 hours · Estimated delivery Jul 14 - Jul 19

Promo Codes Available:

For Your Every Summer RSVP, with Code: SUMMER15

Description

The Perfect Theory: A Century of Geniuses and the Battle Over General RelativityHow did one elegant theory incite a scientific revolution? Physicists have been exploring, debating, and questioning the general theory of relativity ever since Albert Einstein first presented it in 1915. Their work has uncovered a number of the universe's more surprising secrets, and many believe further wonders remain hidden within the theory's tangle of equations, waiting to be exposed. In this sweeping narrative of science and culture,

How did one elegant theory incite a scientific revolution?

Physicists have been exploring, debating, and questioning the general theory of relativity ever since Albert Einstein first presented it in 1915. Their work has uncovered a number of the universe's more surprising secrets, and many believe further wonders remain hidden within the theory's tangle of equations, waiting to be exposed. In this sweeping narrative of science and culture, astrophysicist Pedro Ferreira brings general relativity to life through the story of the brilliant physicists, mathematicians, and astronomers who have taken up its challenge. For these scientists, the theory has been both a treasure trove and an enigma, fueling a century of intellectual struggle and triumph..

Einstein's theory, which explains the relationships among gravity, space, and time, is possibly the most perfect intellectual achievement of modern physics, yet studying it has always been a controversial endeavor. Relativists were the target of persecution in Hitler's Germany, hounded in Stalin's Russia, and disdained in 1950s America. Even today, PhD students are warned that specializing in general relativity will make them unemployable.

Despite these pitfalls, general relativity has flourished, delivering key insights into our understanding of the origin of time and the evolution of all the stars and galaxies in the cosmos. Its adherents have revealed what lies at the farthest reaches of the universe, shed light on the smallest scales of existence, and explained how the fabric of reality emerges. Dark matter, dark energy, black holes, and string theory are all progeny of Einstein's theory.

We are in the midst of a momentous transformation in modern physics. As scientists look farther and more clearly into space than ever before, The Perfect Theory reveals the greater relevance of general relativity, showing us where it started, where it has led, and where it can still take us.



Binding Type: Paperback
Publisher: Mariner Books
Published: 03/24/2015
ISBN: 9780544483866
Pages: 320
Weight: 0.55lbs
Size: 7.85h x 6.10w x 0.80d
Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 77523189311

Discover Niche Categories That Outsell

Top-Converting Item to Boost Your Average Order

4.6 ★★★★★
Based on 2171 reviews
Sort
Highest Rating
Newest First
Oldest First
Product Reviews
A
Verified Purchase
Amazon Customer
Birmingham, US
★★★★★ 5
Working well for my home physical therapy follow-up needs
Color: Assorted
These bands work well for me to continue my physical therapy regimen at home. I have only owned them for a few weeks but the quality seems to be good for my usage. Just keep in mind I am using these for PT, not for any advanced or lofty strengthening goals.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 19, 2026
A
Verified Purchase
Anna Serdiuk
Port Orchard, US
★★★★★ 4
Good starter resistance bands, nice design and fair quality
Color: Coffee
I recently started working out and spent quite some time choosing resistance bands. I decided to go with this set mainly because it has a huge number of reviews and is very popular, which felt like a safe option for a beginner. Overall, I think this is a good value-for-money product. The bands look nice, and I really like the color palette — the coffee/milky tones look stylish and different from the usual bright gym colors. I use them regularly, and they work fine for my workouts. One thing worth mentioning is that if you use them directly on bare skin, they can roll a bit. However, when wearing leggings, they stay in place and feel comfortable. At this stage, I’m satisfied with them. In the future, as I train more, I’ll probably upgrade to a higher-end set, but for starting out, these bands do the job well. I’d rate them 4 out of 5.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on January 22, 2026
S
Verified Purchase
Sylvia Barr
Los Angeles, US
★★★★★ 5
Great quality
Color: Assorted
I use these bands every day. They have different resistant levels. I’m not sure of the pounds but easier to more difficult in range. You can actually exercise with these bands while you’re watching TV, so I do some of my exercises in the evenings while watching TV, I can see a big difference in the strength of my arms and legs. You just have to keep with it.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 24, 2026
S
Verified Purchase
Stephanie Miller
Waukegan, US
★★★★★ 5
Good workout
Color: Berry
I had spinal surgery. These have saved me so much money in therapy. They are durable and the strengths are great as you build muscle.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 18, 2026
A
Verified Purchase
AMZ Customer
Carnegie, US
★★★★★ 5
Perfect!
Color: Coffee
Second pair (first one was a gift) and it’s perfect for what it is needed for! Love the colors and the little bag helps keep it clean and dust free. Love the colors! Delivery & process were great too.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 15, 2026

recommand products