A Grain of Sand: Nature's Secret Wonder by Dr. Gary Greenberg, Stacy Keach

By Dr. Gary Greenberg, Stacy Keach

Потрясающие трёхмерные микрофотографии песчинок обычного пляжного песка. listed here are the sands of Hawaii and Tahiti, the Sahara and the Poles, a volcano, every one exquisitely various, and every telling a desirable geological tale. crimson sand and yellow, white sand and black, making a song sand and quicksand: Greenbergs photos display the sophisticated variations of their colours, textures, sizes, and shapes. And as this infinitesimal international unfolds so does an fascinating rationalization of ways every one grain of sand starts and varieties and reveals itself in a selected position, one in all one thousand million and exclusive. Вот тот мир, рассматривать в песчинку, благодаря потрясающей трехмерной микрофотографии доктор Гари Гринберг. В какой-то, весь песок выглядит так - бесчисленное зерен в обширном пространстве пляжа. Присмотритесь - гораздо ближе - и ваш взгляд на песке никогда не будет то же самое. Используя фантастические microphotographic методы, которые он разработал, Гринберг приглашает читателей поймет странный и прекрасный мир, что каждая песчинка содержит. Вот песках Гавайев и Таити, Сахары и поляки, вулкан, изысканно каждого разные, и каждая рассказывает увлекательную геологической истории. Красный и желтый песок, белый песок и черный, пение песка и зыбучие пески: Greenbergs фотографий выявить тонкие различия в их цвета, фактур, размеров и форм. И так как это бесконечно малая мире разворачивается так же интригующий объяснение того, как каждая песчинка начинается и форм и оказывается в определенном месте, одна из миллиардов и единственный в своем роде.

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Sample text

Sand is not just a bunch of small, round, beige-colored stones. In fact, sand grains come in every color imaginable. The bright pinks, reds, and greens of mineral sand are stunning, very much like gemstones except extremely small. In fact, some of them actually are tiny gemstones. These little bits of quartz, amethyst, olivine, and garnet catch the light and bounce it around like sparkling jewels. Biological components also sprinkle sand with fabulously bright colors. For example, sea urchin spines and coral can be found in a wonderful range of beautiful colors.

Yet, many animals and plants thrive in the intertidal zone. The intertidal zone is inhabited by a multiplicity of invertebrates and insects such as bivalve mollusks, crustaceans, sea urchins, starfish, sponges, and tubebuilding worms. They have acclimatized to the harsh environment of tide cycles, buffeting waves, high salinity, and predators. When these animals die, they leave behind their skeletons and shells, which are gradually ground into beautiful grains of sand by the action of the surf Some intertidal species burrow into the sand to protect themselves.

Soon other sources, set going by the disturbance, joined their music to the first, with so close a note that a slow beat was clearly recognized. This weird chorus went on for more than five minutes continuously before silence returned and the ground ceased to tremble. A star-shaped grain of sand from a beach on Taketomi Island in Okinawa, Japan. The sand contains the remains of microscopic shells known as forams (magnification 7Sx). How many grains of sand are there in the world? The famous astronomer Carl Sagan said that the total number of stars in the universe is greater than all the grains of sand on all the beaches of the planet Earth.

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