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Description
Six Quantum PiecesThis book is an original first approach to quantum physics, the core of modern physics. It combines the competence of a well known researcher in quantum information science and the freshness in style of two high school students. Quantum physics is known to be challenging for two reasons: it describes counter intuitive phenomena and employs rather advanced mathematics. The description of "traditional" quantum phenomena (the structure of atoms and
This book is an original first approach to quantum physics, the core of modern physics. It combines the competence of a well-known researcher in quantum information science and the freshness in style of two high school students.Quantum physics is known to be challenging for two reasons: it describes counter-intuitive phenomena and employs rather advanced mathematics. The description of "traditional" quantum phenomena (the structure of atoms and molecules, the properties of solids, the zoology of sub-atomic particles) does indeed involve the whole formalism. However, some other striking phenomena, somehow the most "typically quantum" ones, can be described using only high school mathematical skills. This approach exploits this fact, thus making it possible for a beginner to tackle mind-boggling experiments like teleportation and the violation of Bell's inequalities, and practice notions like superposition, entanglement and decoherence.Shipping Notes
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4.1 ★★★★★
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Product Reviews
★★★★★ 3
Okay
I like that it fits my umbrella well, hinges open for easy application and removal, and that it has enough light for us to see our food at night.
I do not like that half of the outer lights do not work part of the time until I take out the batteries and swap them around.
Fine enough for the price, not worth the hassle of returning.
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Reviewed in the United States on May 10, 2025
★★★★★ 5
Perfect!
Lightweight and easy to use! Love the three light settings.
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Reviewed in the United States on April 27, 2026
★★★★★ 5
Easy to use.
Works well. Light is bright. Our new patio umbrella does not have e a center pole, so the lights get somewhat blocked. But still pretty useful.
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Reviewed in the United States on April 5, 2026
★★★★★ 5
My favorite pimple patches
Style: Bundle, Size: 2 Piece Set
I've tried the competitor Mighty Patches and a couple other pimple patches. These are my favorite because they stay on the best and do the best job of healing/absorbing. The Microcrystal Spot Cover actually hurts a little when you put it on from the little spikes... but I love that because I feel like it's actually doing something! I wish they were a little more affordable.
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Reviewed in the United States on November 19, 2025
★★★★★ 5
Expensive but effective
Style: Bundle, Size: 2 Piece Set
This isn’t a miracle cure for acne, but it has proven beneficial for reducing redness and shortening healing time, in part because of how it works and also just as a barrier to prevent picking. Product does what the packaging says it will do. These dots are impressively thin. As the fluid is drawn into the patch, it creates a more pronounced white bump, but it is still thinner than typical extra thin hydrocolloid dressings.
If you’re planning to walk around and be seen while wearing acne patches, these are a great option, even if they are expensive. If you’re going to be primarily wearing patches while you sleep and are at a place in your life where you just don’t care how it looks as long as it works, shop around and cut a patch to size from a large (4”x4” or so) hydrocolloid dressing, and it will do the job just as well.
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Reviewed in the United States on February 11, 2020