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Description
Wonders of Physics, the (2nd Ed)The book in your hands develops the best traditions of the Russian scientific popular literature. Written in a clear and captivating manner by working theoretical physicists, who are, at the same time, dedicated popularizers of scientific knowledge, it brings to the reader the latest achievements in quantum solid state physics, but along the way it also shows how the laws of physics reveal themselves even in seemingly trivial episodes concerning the
The book in your hands develops the best traditions of the Russian scientific popular literature. Written in a clear and captivating manner by working theoretical physicists, who are, at the same time, dedicated popularizers of scientific knowledge, it brings to the reader the latest achievements in quantum solid-state physics, but along the way it also shows how the laws of physics reveal themselves even in seemingly trivial episodes concerning the natural phenomena around us. And most importantly, it shows that we live in the world, where scientists are capable of "proving harmony with algebra". -- A A Abrikosov, 2003 Nobel Prize Winner in Physics
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4.0 ★★★★★
Based on 2318 reviews
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Product Reviews
★★★★★ 5
Great toy!!
Pattern Name: Classic Squeaky Tug
Love, LOVE, LOOOVVVEEE this toy!! Finally, an actual indestructable toy for my super chewer!! As others have said, the little rope thing came off in less than an hour, LOL. But the 'Corn cob' is great!! My baby LOVES this thing and chews on it constantly and it shows no sign of wear!! I am optmistic that it will actually last more than a month.
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Reviewed in the United States on April 24, 2026
★★★★★ 5
Buy it!!
Pattern Name: Classic Squeaky Tug
Excellent!!! We are six months in and it’s still around and in great shape with two very aggressive chewers.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on June 12, 2026
★★★★★ 4
Tough chewers favorite toy
Pattern Name: Classic Squeaky Tug, Pattern Name: Classic Squeaky Tug
This has become my dog’s favorite toy! It looks just like a corn on the cob! The toy itself is very durable. The rope that was attached got torn off within hours though. After much use, it still looks brand new minus the rope!
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Reviewed in the United States on March 9, 2026
★★★★★ 5
The Toy That Tires Out Your Dog So You Don’t Have To!
Color: Classic Blue, Color: Classic Blue
After trying a different interactive ball previously, I can confidently say this one is built much better. The construction feels more durable, and most importantly, it has held up well against my dog's enthusiastic chewing and chasing. Many interactive toys claim to be tough, but this one has actually survived extended play sessions without being torn apart.
The charging design is simple and well thought out. The ball twists apart easily to reveal the USB-C charging port, making recharging quick and convenient. Once charged, you simply twist the halves back together, press the power button, and it's ready to go. I appreciate that there are no complicated steps or special charging accessories required.
What really stands out is how engaging the toy is. The unpredictable movement keeps my dog interested and encourages plenty of exercise and mental stimulation. Instead of losing interest after a few minutes, my dog continued chasing, pawing, and interacting with the ball until he was genuinely worn out. For pet owners looking for a way to help burn off excess energy, this toy definitely does the job.
One minor issue I noticed is that on a couple of occasions, my dog was able to accidentally turn the toy off while carrying it in his mouth. It wasn't a frequent problem, but it did happen enough to be worth mentioning. Fortunately, turning it back on is quick and easy.
Overall, this has been one of the better interactive dog toys I've tested. It's durable, easy to charge, keeps dogs engaged, and provides the kind of activity that leaves them happily exhausted afterward. If your dog enjoys chasing moving toys and you want something sturdier than many of the alternatives on the market, this is a solid choice.
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Reviewed in the United States on June 3, 2026
★★★★★ 3
Great Entertainment, Short Battery Life
Color: Classic Blue
This is the first interactive ball I've found that my dog hasn't managed to destroy, which is impressive on its own. The ball keeps him entertained for long periods, and he loves chasing, nudging, and following it around the house. The material feels durable and has held up well to regular play. The one button operation is convenient, and the ball is easy to recharge and clean.
My biggest complaint is the battery life. On a full charge, it only seems to run for about 10 minutes before needing to be recharged again. Because of that, I find myself charging it frequently. Even with the shorter runtime, it's been one of the more engaging and durable interactive toys we've tried. Overall, a fun and sturdy toy that keeps dogs occupied, but be prepared for frequent charging.
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Reviewed in the United States on June 5, 2026
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