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Description
How Things Work: The Inner Life of Everyday MachinesMillion copy bestselling author of The Elements, Molecules, and Reactions Theodore Gray applies his trademark mix of engaging stories, real time experiments, and stunning photography to the inner workings of machines, big and small, revealing the extraordinary science, beauty, and rich history of everyday things. Theodore Gray has become a household name among fans, both young and old, of popular science and mechanics. He's an incorrigible tinkerer
Million-copy bestselling author of The Elements, Molecules, and Reactions Theodore Gray applies his trademark mix of engaging stories, real-time experiments, and stunning photography to the inner workings of machines, big and small, revealing the extraordinary science, beauty, and rich history of everyday things.Theodore Gray has become a household name among fans, both young and old, of popular science and mechanics. He's an incorrigible tinkerer with a constant curiosity for how things work. Gray's readers love how he always brings the perfect combination of know-how, humor, and daring-do to every project or demonstration, be it scientific or mechanical. In How Things Work he explores the mechanical underpinnings of dozens of types of machines and mechanisms, from the cotton gin to the wristwatch to an industrial loom. Filled with stunning original photographs in Gray's inimitable style, How Things Work is a must-have exploration of stuff--large and small--for any builder, maker or lover of mechanical things.
Binding Type: Hardcover
Publisher: Black Dog & Leventhal Publishers
Published: 10/22/2019
ISBN: 9780316445436
Pages: 256
Weight: 3.25lbs
Size: 10.50h x 10.40w x 0.90d
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★★★★★ 5
Utility
Effective product.
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Reviewed in the United States on May 31, 2026
★★★★★ 5
Hair growth
I see results with my hair growth I'm very pleased. There is a noticeable smell to it but dissipates over a short time.
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Reviewed in the United States on May 9, 2026
★★★★★ 5
Great product, saved my hair
Honestly this is one of the best products I have ever used for my hair. I have been able to increase volume and thickness of my hair. The product is versatile and can be used in conjunction with other products as well. The application is very easy and I usually use any excess product on my skin for the added benefits. If you have fine hair your hair will get oily if you don't wash out so I just apply at night and wash out the next morning. Overall my hair is so much healthier and I am really happy I found this. Also I apply this 2-3 times per week overnight and wash in the AM. It will stain your pillow case so sleep with a bonnet or something with breathable material.
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Reviewed in the United States on December 10, 2025
★★★★★ 4
LOVE IT,SMELLS GOOD.
LOVE IT SO FAR.
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Reviewed in the United States on February 5, 2026
★★★★★ 5
Love this batana oil over the other brands
This batana oil has natural ingredients and leaves my hair very moisturized. I have seen some hair growth after using this for a few weeks. So it's great value for my money. It does have a coffee scent but that doesn't bother me at all. I would definitely repurchase this again.
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Reviewed in the United States on February 26, 2026