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Grafica Obscura - Paul Haeberli
Multifocus Method for Controlling Depth of Field This technical note describes a technique for combining several images to increase or control depth of field in photography. Properties of Light A note on the properties of various kinds of light. This describes lighting in terms of...
Molecular Expressions - Optical Microscopy Primer
images with either confocal or deconvolution techniques. The thickest specimens (20 microns and above) will suffer from a tremendous amount of extraneous light in out-of-focus regions, and are probably best-imaged using confocal techniques. This tutorial explores imaging speci...
New Light on Ice Motion (DAAC Study)
Rachel Hauser November 5, 2001 Detailed antarctic temperature and climate records date only from the late 1950s, with limited information dating from the turn of the 20th century. Now, using visible and near-infrared satellite imagery, scientists have pieced together a prelimi...
Eluzions/Optical Art/Op Art
as the objects are in front of the mirror. The image size is the same as the object size. The law also implies that mirror images are parity inverted, which we perceive as a left-right inversion. Images formed from reflection in two (or any even number of) mirrors are not...
Short Courses on Digital Cameras
the still image into exciting new areas. Digital Photography Workflow covers everything from getting ready to take photos to storing, organizing, managing and editing your images. Image Sensors, Pixels and Image Sizes describes key concepts such as resolutio...
Shroud of Turin
have scorched the cloth? Scientists have not been able to duplicate the characteristics of the Shroud using this method just like the painting hypothesis. Also the color and ultraviolet characteristics of the Shroud body image and a scorch are different. The shroud body ...
Hoffman Images
Molecular Expressions Microscopy Primer: Specialized Microscopy Techniques - Hoffman Modulation Contrast Photomicrography Gallery Microscopy Primer Light and Color Microscope Basics Special Techniques Digital Imaging Confocal Microscopy Live-Cell Imaging Photomicrography Microscopy...
Bright Lights, Big City
productivity in the U. S. and other countries around the world. They created a method of mapping urbanization on a countrywide scale by using satellite images of the light cities generate at night. With the resulting city lights maps, they are now zeroing in on the impacts urban...
The Incredible Glowing Algae (DAAC Study)
” August 8, 2003 Image in title graphic (Rhabdonema minutum diatom) courtesy of Alg@line: Operational Monitoring of the Baltic Sea Environment (A new browser window will open.) Like other plants, phytoplankton use photosynthesis to grow. During photosynthesis, the green pigment chlor...
Daguerreotype Cameras
them sensitive to light, then exposing them in a camera and "developing" the images with warm mercury vapor. The fumes from the mercury vapor combined with the silver to produce an image. The plate was washed with a saline solution to prevent further exposure....
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