By Gary Greenberg
Here's the realm seen inside a grain of sand, due to the lovely third-dimensional microphotography of Dr. Gary Greenberg. to a few, all sand seems to be alike--countless grains in an enormous expanse of seashore. glance closer--much closer--and your view of sand shouldn't be a similar. utilizing the wonderful microphotographic innovations that he built, Greenberg invitations readers to find the unusual and beautiful international that every grain of sand comprises.
Here are the sands of Hawaii and Tahiti, the Sahara and the Poles, a volcano, each one exquisitely diverse, and every telling a desirable geological tale. purple sand and yellow, white sand and black, making a song sand and quicksand: Greenbergs images exhibit the sophisticated adjustments of their colours, textures, sizes, and shapes. And as this infinitesimal global unfolds so does an fascinating rationalization of ways every one grain of sand starts and kinds and reveals itself in a specific position, one among one billion and different.
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Additional info for A Grain of Sand: Nature's Secret Wonder
Low-power 3-D microscopes have been available for more than a hundred years, and they can achieve magnifications up to about 50 times. But no high-power 3-D microscopes were available that produced real-time stereo images of the specimen in the magnification range of 100 to 1,500 times. I became so captivated with the idea of developing a 3-D microscope that I resigned from USC in 1991 and cofounded Edge Scientific Instrument Corporation. We developed what was then the only commercially available, high-definition, real-time 3-D light microscope and sold it to research scientists throughout the world.
In order to create the most dramatic images of sand grains, it is important to collect the samples in a special way. Most people collect sand from the dry area of the beach, but the grains from the upper beach can look dull and pitted through the microscope because they have been eroded by the wind. In comparison, sand from the wet portion of the beach has been tumbled by the action of the surf, making the individual grains appear naturally shiny and bright. I normally use fine-grained sand for my images.
She looked at the quartz sand grains through a scanning electron microscope. To her surprise, the sand was decorated with tiny diatoms. Diatoms are a type of algae that create beautiful silicate houses. One of the major forms of plankton, the diatom represents a significant portion of all ocean life. Each species makes a microscopic shell with its own particular shape and design; each one is more beautiful and delicate than the next. Diatoms are wonderful examples of worlds within worlds in a grain of sand.