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Color images can be converted to black and white on the computer using several methods, including desaturating the existing color RGB image so that no color remains visible (which still allows color channels to be manipulated to alter tones such as darkening a blue sky), or by converting the image to a greyscale version (which eliminates the ...
Nautilus is a black-and-white photograph taken by Edward Weston in 1927 of a single nautilus shell standing on its end against a dark background. It has been called "one of the most famous photographs ever made" and "a benchmark of modernism in the history of photography."
The plants are hardy herbaceous perennials with narrow tufted radical leaves and an elongated stem bearing a handsome spike of white or yellow flowers. Asphodelus albus and A. fistulosus have white flowers and grow from 45 to 60 centimetres ( 1 + 1 ⁄ 2 –2 ft) high; A. ramosus is a larger plant, the large white flowers of which have a ...
Images in this category are illustrations from artists who have been deceased for more than 100 years. But if the person or organization who digitized it has released it under another license, list that other license as well as this one.
For nearly every day of Donald Trump’s Manhattan hush money trial, photographers have captured a grimacing Trump seated at the defense table as he faces criminal charges.
A clinical trial participant receives an injection. Clinical trials are prospective biomedical or behavioral research studies on human participants designed to answer specific questions about biomedical or behavioral interventions, including new treatments (such as novel vaccines, drugs, dietary choices, dietary supplements, and medical devices) and known interventions that warrant further ...
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The petunia flower is immersed into a flask of water, connected to a vacuum pump, after which the flower appeared colourless. The white colour is expressed by the air present in the vacuoles that absorb the light, without air the flower loses the white colour. There is an increasing interest in flower colour, [citation needed] since some ...