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Scientists have recreated the elusive Egyptian blue, a pigment used by ancient Egyptian artists for thousands of years.
Lake Natron is a soda lake in northern Tanzania with a volcanic geology that maintains the water's pH around 10.5, which is almost as caustic as ammonia. Some life-forms thrive there nevertheless.
Scientists recreating the lost formula for 5,000-year-old Egyptian Blue affirm its unusual optical, magnetic, and biological ...
Electrochemistry Branch, Sensor and Electron Devices Directorate, Power and Energy Division, U.S. Army Research Laboratory, Adelphi, Maryland 20783, United States ...
Ask the publishers to restore access to 500,000+ books. An icon used to represent a menu that can be toggled by interacting with this icon. A line drawing of the Internet Archive headquarters building ...
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