Download e-book for kindle: A Grain of Sand: Nature's Secret Wonder by Gary Greenberg

By Gary Greenberg

ISBN-10: 1616739541

ISBN-13: 9781616739546

Here's the area seen inside of a grain of sand, because of the beautiful three-d microphotography of Dr. Gary Greenberg. to a few, all sand seems to be alike--countless grains in an unlimited expanse of seashore. glance closer--much closer--and your view of sand is not really an analogous. utilising the wonderful microphotographic concepts that he constructed, Greenberg invitations readers to find the unusual and beautiful international that every grain of sand includes.

Here are the sands of Hawaii and Tahiti, the Sahara and the Poles, a volcano, each one exquisitely varied, and every telling a desirable geological tale. pink sand and yellow, white sand and black, making a song sand and quicksand: Greenbergs photographs show the delicate ameliorations of their shades, textures, sizes, and shapes. And as this infinitesimal international unfolds so does an interesting clarification of ways every one grain of sand starts and types and unearths itself in a selected position, one in all one billion and extraordinary.

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Extra info for A Grain of Sand: Nature's Secret Wonder

Sample text

This part of the procedure is the most difficult and requires a steady hand and a good deal of patience. Falling dust, a breath of wind, and static forces are the enemies. After the grains are in place and any dust particles have been cleared away, the cameras are attached to the microscope to record a series of 3-D photographs. It requires anywhere from six to twelve shots taken side by side to capture the whole scene. The individual photographs are then brought together in one large, seamless image using Photoshop.

But that statement begs the question, what do I mean by "natural"? The colors in this book are natural in that they have not been manipulated or changed. But sand looks different A The spectacular natural colors of sand are seen in an arrangement of grains from a beach in Maui. The sand contains colorful shell fragments, coral, sea urchin spines, forams, and tiny intact shells. The sand grains reflect the diverse biological life forms found in tropical waters (magnification 100x). depending on how you view it.

Sand grains from this region of the globe illustrate the sheer beauty of the tiny bits and pieces that form our world. Some sand contains a large amount of silica, a mineral that occurs as quartz. If the sand contains a high percentage of silica, it can be used to make glass. Hundreds of millions of years ago, regions like Sedona, Arizona, and the neighboring Grand Canyon were an underwater seabed. Layer after layer, the sandy bottom was compressed by overlying sediment. Then the terrain rose up from the seabed by tectonic forces, and the strata hardened into sandstone.

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A Grain of Sand: Nature's Secret Wonder by Gary Greenberg

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