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10 hours ago · 1967 - Hugo Rietveld invented the Rietveld refinement method for computation of crystal structures. 1968 - Aaron Klug and David DeRosier used electron microscopy to visualise the structure of the tail of bacteriophage T4, a common virus, thus signalling a breakthrough in macromolecular structure determination.
3 days ago · t. e. Methods of divination can be found around the world, and many cultures practice the same methods under different names. During the Middle Ages, scholars coined terms for many of these methods—some of which had hitherto been unnamed—in Medieval Latin, very often utilizing the suffix -mantia when the art seemed more mystical (ultimately ...
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5 days ago · High-entropy alloys (HEAs) are advanced materials characterized by their unique and complex compositions. Characterized by a mixture of five or more elements in roughly equal atomic ratios, these alloys diverge from traditional alloy formulations that typically focus on one or two principal elements. This innovation has paved the way for subsequent studies that have expanded our understanding ...
1 day ago · Uses Recreational LSD is commonly used as a recreational drug. Spiritual LSD can catalyze intense spiritual experiences and is thus considered an entheogen. Some users have reported out of body experiences. In 1966, Timothy Leary established the League for Spiritual Discovery with LSD as its sacrament. Stanislav Grof has written that religious and mystical experiences observed during LSD ...
- Low
- /daɪ eθəl ˈæmaɪd/, /æmɪd/, or /eɪmaɪd/
- LSD, LSD-25, LAD, Acid, others
- Delysid
3 days ago · Cobalt is a chemical element; it has symbol Co and atomic number 27. As with nickel, cobalt is found in the Earth's crust only in a chemically combined form, save for small deposits found in alloys of natural meteoric iron. The free element, produced by reductive smelting, is a hard, lustrous, silvery metal .
- hard lustrous bluish gray metal
- group 9
- 27
- /ˈkoʊbɒlt/ ⓘ
1 day ago · Methadone, sold under the brand names Dolophine and Methadose among others, is a synthetic opioid agonist used for chronic pain and also for opioid use disorder. [7] It is used to treat chronic pain, and it is also used to treat addiction to heroin or other opioids. [10] [11] Prescribed for daily use, the medicine relieves cravings and removes ...
2 days ago · The scientific method is an empirical method for acquiring knowledge that has characterized the development of science since at least the 17th century. The scientific method involves careful observation coupled with rigorous scepticism, because cognitive assumptions can distort the interpretation of the observation.
