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Description
We Have No Idea: A Guide to the Unknown UniversePrepare to learn everything we still don't know about our strange and mysterious universe. Humanity's understanding of the physical world is full of gaps. Not tiny little gaps you can safely ignore there are huge yawning voids in our basic notions of how the world works. PHD Comics creator Jorge Cham and particle physicist Daniel Whiteson have teamed up to explore everything we don't know about the universe: the enormous holes in our knowledge of the
Prepare to learn everything we still don't know about our strange and mysterious universe.Humanity's understanding of the physical world is full of gaps. Not tiny little gaps you can safely ignore --there are huge yawning voids in our basic notions of how the world works. PHD Comics creator Jorge Cham and particle physicist Daniel Whiteson have teamed up to explore everything we don't know about the universe: the enormous holes in our knowledge of the cosmos. Armed with their popular infographics, cartoons, and unusually entertaining and lucid explanations of science, they give us the best answers currently available for a lot of questions that are still perplexing scientists, including: * Why does the universe have a speed limit?
* Why aren't we all made of antimatter?
* What (or who) is attacking Earth with tiny, superfast particles?
* What is dark matter, and why does it keep ignoring us? It turns out the universe is full of weird things that don't make any sense. But Cham and Whiteson make a compelling case that the questions we can't answer are as interesting as the ones we can. This fully illustrated introduction to the biggest mysteries in physics also helpfully demystifies many complicated things we do know about, from quarks and neutrinos to gravitational waves and exploding black holes. With equal doses of humor and delight, Cham and Whiteson invite us to see the universe as a possibly boundless expanse of uncharted territory that's still ours to explore.
Binding Type: Paperback
Publisher: Riverhead Books
Published: 05/08/2018
ISBN: 9780735211520
Pages: 368
Weight: 0.75lbs
Size: 8.10h x 5.40w x 1.10d
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4.8 ★★★★★
Based on 26 reviews
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Product Reviews
★★★★★ 5
Very happy with
Set name: Face - 1.7 oz.
I really like this. Quickly clear after applying. No sensitivity issues. Moisturizing. It does leave a sheen which I personally like and doesn’t feel overly greasy to me.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on June 2, 2026
★★★★★ 5
This sunscreen has worked well for me and I like that it is a mineral formula
Set name: Face - 1.7 oz.
This sunscreen has worked well for me and I like that it is a mineral formula. The main thing to know is that it can take a little effort to rub in fully so you do not see it on your skin, but I do not consider that a major problem. That is pretty normal with many mineral sunscreens, and I would rather deal with that than use something that does not agree with my skin. Once applied, I have been happy with it and have no real complaints. Overall, it has been a good face sunscreen for me.
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Reviewed in the United States on March 10, 2026
★★★★★ 5
Best sunscreen ever
Set name: Face - 1.7 oz.
I love how light it is, it doesn’t leave a white cast. It even leaves skin looking glowy. It also feels moisturizing. I have sensitive skin that breaks out with sunscreen. It doesn’t breakout with this one! I also love that it’s hsa eligible! Have already recommended and shared with others. I will never switch to another sunscreen.
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Reviewed in the United States on May 26, 2026
★★★★★ 4
Works great but very runny
Set name: Face - 1.7 oz.
I’d call this a liquid and not lotion. It literally pours out of the tube without even squeezing so has to be held upright at all times when the cap is off. Makes a real mess (and I do shake it well before opening as the instructions say).
Other than the packaging, I really like the product. It blends well with no white cast after rubbing in, is moisturizing without looking greasy at all or causing breakouts, and has provided good sun protection. Impressed! Also like that while water and sweatproof, it washes off with a gentle face cleanser at the end of the day unlike some of the zinc-based products I’ve tried that leave a thick coating and require scrubbing.
This is my first Blue Lizard product and I’ll probably keep using it as a daily sunscreen—but definitely not to throw in a bag and take to the beach because of the messy application. Bought the stick version to try out.
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Reviewed in the United States on July 1, 2022
★★★★★ 5
Great for sensitive skin and actually dries clear!
Set name: Body - 3 oz., Set name: Body - 3 oz.
I'm trying to be on top of my sunscreen application after YEARS of never wearing it. My skin is extremely sensitive and prone to eczema. Any chemical sunscreen that was applied to my body (especially the elbow/knee pits) would cause me to break out in horrible eczema patches. I switched to mineral sunscreen, but everything left a ghostly white sheen.
Luckily, this sunscreen does exactly as advertised. I've been using it daily for a week straight, and I have had no problems with it. The consistency of this product is thick, kinda sticky at first, and a bit hard to blend/spread out, but I think that's bound to happen with any sunscreen that's actually protective. It may also seem that it leaves a white cast initially, but after letting it dry for a minute or two, it becomes clear.
Overall I can't recommend this enough, and I'm glad to finally have a sensitive-skin-friendly mineral sunscreen that doesn't leave a white cast :)
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Reviewed in the United States on April 1, 2026
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