- Hardcover: 255 pages
- Publisher: Dk Pub (6 March 2018)
- Language: English
- ISBN-10: 1465464190
- ISBN-13: 978-1465464194
- Product Dimensions: 20.3 x 2.6 x 24.1 cm
- Boxed-product Weight: 907 g
- Average Customer Review: 1 customer review
- Amazon Bestsellers Rank: 61,240 in Books (See Top 100 in Books)
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How Science Works Hardcover – 6 Mar 2018
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How Lasers Work
Lasers have proved themselves to be among the most versatile inventions of modern times. Today, they have a wide range of everyday and unique uses, from satellite communication to reading barcodes at the supermarket.
Gases can be composed of individual atoms or of molecules of two or more atoms. These particles are very energetic and move rapidly, filling their container and taking its shape. There is plenty of space between the particles, so gases can be compressed.
Most black holes form as a result of the death of a massive star (with about 10 or more times the mass of the Sun). Matter pulled toward a black hole by gravity often forms a spinning disc, which throws off X-rays and other kinds of radiation and is detectable by astronomers.
The friction between moving parts in a machine causes damage as the components rub together, wearing each other away. To reduce this effect, mechanics often cover the components with oil-based lubricants. This provides a slippery barrier between surfaces and is sticky enough to cover the parts for a long time.
Traveling to Other Worlds
Exposure to radiation is the most dangerous aspect of space travel. It may shorten a human's life by causing damage to the immune system and increasing the risk of cancer.
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A specific example for me would be String Theory. I've heard of it frequently, but never knew just exactly what it was. The book affords me a simple and streamlined answer. Et Voilà!
Don't look to this book for more than just some description of the basic 'forces' within or around us.