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Who's Afraid of Red, Yellow and Blue IV was created in 1969–1970 and is the last major work by Barnett Newman. The oil on canvas painting measures 274 by 603 cm. It belongs to the collection of the Nationalgalerie in Berlin, who bought it in 1982 from Newman's widow for 2.7 million Deutschmark (roughly 1 million US dollars), partially with ...
A shaped charge is an explosive charge shaped to focus the effect of the explosive's energy. Different types of shaped charges are used for various purposes such as cutting and forming metal, initiating nuclear weapons, penetrating armor, or perforating wells in the oil and gas industry . A typical modern shaped charge, with a metal liner on ...
Methyl red (2- ( N, N -dimethyl-4-aminophenyl) azobenzenecarboxylic acid), also called C.I. Acid Red 2, is an indicator dye that turns red in acidic solutions. It is an azo dye, and is a dark red crystalline powder. Methyl red is a pH indicator; it is red in pH under 4.4, yellow in pH over 6.2, and orange in between, with a p Ka of 5.1. [2]
These are the items Americans lose most. Perhaps unsurprisingly, the most commonly lost items were also among the most ubiquitous and important: phones and keys. Most people don't leave home ...
Call paid premium support at 1-800-358-4860 to get live expert help from AOL Customer Care. Having trouble signing in? Find out how to identify and correct common sign-in issues like problems with your username and password, account locks, looping logins, and other account access errors.
Over the last year, Coinbase (NASDAQ: COIN) is up more than 180%. Zooming out even further, since the beginning of 2023, it's up a whopping 530%. And if I had to bet, it's going higher. But the ...
At least 38 Democratic members of Congress signed a letter sent Monday to the president of the Heritage Foundation requesting he meet with lawmakers to discuss Project 2025 and release the ...
The beam was bent down, perpendicular to the magnetic field. To reveal the path of the beam, Crookes invented a tube (see pictures) with a cardboard screen with a phosphor coating down the length of the tube, at a slight angle so the electrons would strike the phosphor along its length, making a glowing line on the screen. The line could be ...