https://dvmager.com/blog daily 0.75 2023-03-22 https://dvmager.com/blog/research-mechanisms monthly 0.5 2023-03-22 https://images.squarespace-cdn.com/content/v1/5fb547b058f219200af79bb3/1605945739254-E8BAWVO8CJ4FK7GRKCKP/ImageProvider-2.jpeg BLOG - Today, I researched…CELESTIAL MECHANISMS https://images.squarespace-cdn.com/content/v1/5fb547b058f219200af79bb3/1606004720118-3CWCG23QB0LUPY13H2YI/Jan_van_eyck%2C_san_girolamo_nello_studio%2C_detroit.jpg BLOG - Today, I researched…CELESTIAL MECHANISMS Saint Jerome in His Study, Jan van Eyck, Netherlandish, ca.1435. The Detroit Institute of Arts https://www.dia.org/art/collection/object/saint-jerome-his-study-44739 https://commons.wikimedia.org/wiki/File:Jan_van_eyck,_san_girolamo_nello_studio,_detroit.JPG https://images.squarespace-cdn.com/content/v1/5fb547b058f219200af79bb3/1605944606254-0VKJVV5BYUZQC9ID3UKZ/Screen+Shot+2020-11-21+at+2.41.30+AM.png BLOG - Today, I researched…CELESTIAL MECHANISMS George II’s Grand Orrery, British, 18th century Large orrery on pedestal base with with gilded horse head decorations beneath the calendar ring and glazed cover, original maker unknown, enlarged by Thomas Wright, Fleet Street, London, 1733. Inscribed 'All the Machinery of this instrument was made new in 1733 by Tho Wright Instrument maker to His MAJESTY GEORGE II'. The original orrery on which the enlargement was made measured three-feet in diameter and the maker is unknown. Thomas Wright, a mathematical instrument maker, made such extensive modifications to this orrery in 1733 that it has since been referred to as 'Wright's Grand Orrery'. It was enlarged for King George II, George III's grandfather, to include all the then known planets: Mercury, Venus, Earth, Mars, Jupiter (with its four moons) and Saturn (with five of its many moons) in addition to the Sun and the Moon. https://collection.sciencemuseumgroup.org.uk/objects/co537727/george-iis-grand-orrery-orrery-planetary-motion-model https://images.squarespace-cdn.com/content/v1/5fb547b058f219200af79bb3/1606009177683-U5QCDX15UCHSJTHIHQ3U/page1-1800px-Solar-System.pdf.jpg BLOG - Today, I researched…CELESTIAL MECHANISMS Comprehensive overview of the Solar System. The Sun, planets, dwarf planets and moons are at scale for their relative sizes, not for distances. A separate distance scale is at the bottom. Moons are listed near their planets by proximity of their orbits; only the largest moons are shown. https://images.squarespace-cdn.com/content/v1/5fb547b058f219200af79bb3/1605938378236-035SZLLM3CCPBNC7MSQM/https%3A%2F%2Fagakhanmuseum.org%2Fcollectionslabel%2F2-ad-planispheric-astrolabe-akm611 BLOG - Today, I researched…CELESTIAL MECHANISMS https://images.squarespace-cdn.com/content/v1/5fb547b058f219200af79bb3/1605945899607-LZU38R2GD1K7VO1T1D6Y/ImageProvider-3.jpeg BLOG - Today, I researched…CELESTIAL MECHANISMS Nocturnal, French, ca.1600 Dial consisting of a disk engraved on both sides. The recto bears markings for the zodiac signs, months, and days. On it rotates a circle divided into 29 parts and carrying two indexes; on this circle is a small rotating disk fitted with a gnomon, a compass, and an index with the French inscription "Ligne de foy" [line of trust]. On this side the instrument could be used either as a sundial or a nocturnal. The verso carries the hour lines and a small tilting gnomon. There is a suspension ring. The inscriptions in French and the word "Pign" engraved on the index suggest the instrument was made by a craftsman named Pineau, on whom we have no information. Probable provenance: Medici collections https://opac.museogalileo.it/imss/resource?uri=16023&v=l&dcnr=7 https://images.squarespace-cdn.com/content/v1/5fb547b058f219200af79bb3/1606007977109-SW2EF1T5BQA0UYDYUNR9/RA-Dec-eq-region-with-coordinates.jpg BLOG - Today, I researched…CELESTIAL MECHANISMS Celestial Coordinates for Beginners https://skyandtelescope.org/astronomy-resources/right-ascension-declination-celestial-coordinates/ https://images.squarespace-cdn.com/content/v1/5fb547b058f219200af79bb3/1605940956369-G0S16D0BRW4S2RLP9R15/Screen+Shot+2020-11-21+at+12.57.26+AM.png BLOG - Today, I researched…CELESTIAL MECHANISMS Planispheric Astrolabe, Spanish, 14th century This little object made of bronze and silver—heavy in the hand and cool to the touch—speaks of a dynamic time in Spain’s history, when many advances in art, science, and mathematics were made. It is an astrolabe, used for finding the positions of stars and planets in the heavens in order to determine the time of day in a particular location. First developed by the ancient Greeks, the astrolabe was refined and improved by scientists working in medieval Islamic lands. Its primary function in Islamic societies was to find the times for daily prayer. By rotating the movable parts that indicate the relative positions of heavenly bodies, the user can determine exact times and distances on earth. It is also a fine example of the art of metalworking. This particular instrument is unusual among other astrolabes of the period due to the inscriptions on its surface in three languages: Latin, Arabic, and Hebrew. The presence of these three scripts reflects the social and cultural diversity of al-Andalus, medieval Muslim-ruled Spain. Contemporary humans are surrounded by devices that inform us of the time of day; however, before mechanical clocks were in widespread use around the 17th century, the time was measured in unequal hours no matter how long or short the day or night actually were, and it was difficult to establish consistent prayer times. Each planispheric astrolabe—the most common type—has a series of plates showing the sky at a specific time and place. The four plates of this instrument are for Mecca, Jerusalem, Algiers, and Reims, France. — Patricia Bentley https://agakhanmuseum.org/collectionslabel/2-ad-planispheric-astrolabe-akm611 https://dvmager.com/blog/mechanisms monthly 0.5 2023-03-22 https://dvmager.com/blog/today-i-researched-katsura-trees monthly 0.5 2023-03-22 https://images.squarespace-cdn.com/content/v1/5fb547b058f219200af79bb3/1611507631398-WFV9BKINWTUP8720DC3H/Katsura.jpg BLOG - Today, I researched . . . KATSURA TREES Cercidiphyllum japonicum, A caramel tree at the Royal Botanical Garden in Madrid. Factofoto/Alamy https://images.squarespace-cdn.com/content/v1/5fb547b058f219200af79bb3/1611512085706-MDTYH16LV68GD9JHK0YG/Katsura%2Bcloseup.jpg BLOG - Today, I researched . . . KATSURA TREES Katsura tree. https://www.bhg.com/gardening/plant-dictionary/tree/katsura/ https://dvmager.com/blog/cake-cotton-candy-nothing monthly 0.5 2023-03-22 https://images.squarespace-cdn.com/content/v1/5fb547b058f219200af79bb3/1611511607331-2S0GDVYTSVBQR7LT7TQ6/Katsura+with+blue+sky.jpg BLOG - “CAKE?” “COTTON CANDY?”… ”NOTHING.” Katsura tree. Photo by Marie D. De Jesús. https://dvmager.com/blog/today-i-researchedamanita-muscaria monthly 0.5 2022-02-19 https://images.squarespace-cdn.com/content/v1/5fb547b058f219200af79bb3/1608603536068-3ULVPICZR7MZD27OAKT1/Toadstools.jpg BLOG - Today, I researched…AMANITA MUSCARIA Viktoria Reisz with Amanita muscaria mushrooms in a forest near Pécs, Hungary. Photo credit: Csaba Reisz https://www.nytimes.com/2017/10/17/science/mushrooms-fly-agaric.html https://images.squarespace-cdn.com/content/v1/5fb547b058f219200af79bb3/1608603777107-TE94IGFYV4EJKYWC571O/Amanita+muscaria.jpg BLOG - Today, I researched…AMANITA MUSCARIA https://en.wikipedia.org/wiki/Amanita_muscaria https://dvmager.com/blog/hoo monthly 0.5 2022-02-19 https://dvmager.com/blog/research-iridescence monthly 0.5 2022-02-19 https://images.squarespace-cdn.com/content/v1/5fb547b058f219200af79bb3/1606669616680-72YV8FD9A6PDAM4YU3LB/15D_insect.jpg BLOG - Today, I researched…IRIDESCENCE Tiger beetle (Cicindelinae) http://www.webexhibits.org/causesofcolor/15D.html https://images.squarespace-cdn.com/content/v1/5fb547b058f219200af79bb3/1606669455458-SQCPTCS9RCWHFX5DEKJM/blueMorpho.jpg BLOG - Today, I researched…IRIDESCENCE Blue Morpho butterfly (Morpho menelaus) http://www.webexhibits.org/causesofcolor/15A.html https://images.squarespace-cdn.com/content/v1/5fb547b058f219200af79bb3/1606669739964-TJP8TWLFV4EBKBDR08LF/pearlnacre1.jpg BLOG - Today, I researched…IRIDESCENCE Mother-of-pearl is the name commonly given to shells coated in a deposit of nacre, which is iridescent. http://www.webexhibits.org/causesofcolor/15B.html https://images.squarespace-cdn.com/content/v1/5fb547b058f219200af79bb3/1606670284457-9X2FIDCVL7NEQXJ2DQAQ/peacock-spread-01.jpg BLOG - Today, I researched…IRIDESCENCE Peacock spreading its feathers http://www.webexhibits.org/causesofcolor/15C.html https://images.squarespace-cdn.com/content/v1/5fb547b058f219200af79bb3/1606669558324-UDPM9956X9SACTPF7T09/15D_beetles.jpg BLOG - Today, I researched…IRIDESCENCE Japanese beetle (Popillia japonica) http://www.webexhibits.org/causesofcolor/15D.html https://images.squarespace-cdn.com/content/v1/5fb547b058f219200af79bb3/1606669672345-UM4GO4E15JWMOU3LJHGJ/Bubbles.jpg BLOG - Today, I researched…IRIDESCENCE Bubbles http://www.webexhibits.org/causesofcolor/15E.html https://dvmager.com/blog/wheel-of-inquiry monthly 0.5 2022-02-19 https://dvmager.com/blog/kreis-forest monthly 0.5 2022-02-19 https://dvmager.com/blog/kreisfirth-cascades monthly 0.5 2022-02-19 https://dvmager.com/blog/cordelias-journal1 monthly 0.5 2022-02-19 https://dvmager.com/blog/kreisfirth-encapsulated monthly 0.5 2023-09-13 https://dvmager.com/blog/category/RESEARCH monthly 0.5 https://dvmager.com/blog/category/KRE%C4%AASFIRTH+CLIPPINGS+%7C+SETTING monthly 0.5 https://dvmager.com/blog/category/KREISFIRTH+CLIPPINGS+%7C+SETTING monthly 0.5 https://dvmager.com/blog/category/KRE%C4%AASFIRTH+CLIPPINGS+%7C+RESEARCH monthly 0.5 https://dvmager.com/blog/category/KRE%C4%AASFIRTH+CLIPPINGS+-+BACKSTORY monthly 0.5 https://dvmager.com/blog/category/BACKSTORY monthly 0.5 https://dvmager.com/blog/category/MECHANISMS monthly 0.5 https://dvmager.com/blog/category/KRE%C4%AASFIRTH+CLIPPINGS+-+RESEARCH monthly 0.5 https://dvmager.com/blog/category/ATMOSPHERE monthly 0.5 https://dvmager.com/blog/category/CHARACTERS monthly 0.5 https://dvmager.com/blog/category/KREISFIRTH+CLIPPINGS+%7C+RESEARCH monthly 0.5 https://dvmager.com/blog/category/KRE%C4%AASFIRTH+CLIPPINGS+-+SETTING monthly 0.5 https://dvmager.com/blog/category/NATURE monthly 0.5 https://dvmager.com/blog/category/KRE%C4%AASFIRTH+CLIPPINGS+%7C+BACKSTORY monthly 0.5 https://dvmager.com/blog/category/CORDELIA%27S+JOURNAL monthly 0.5 https://dvmager.com/blog/category/KREISFIRTH+CLIPPINGS+%7C+CHARACTERS monthly 0.5 https://dvmager.com/blog/category/SETTING monthly 0.5 https://dvmager.com/blog/category/KRE%C4%AASFIRTH+CLIPPINGS+-+CHARACTERS monthly 0.5 https://dvmager.com/blog/category/KREISFIRTH+CLIPPINGS+%7C+BACKSTORY monthly 0.5 https://dvmager.com/blog/category/KRE%C4%AASFIRTH+CLIPPINGS+%7C+CHARACTERS monthly 0.5 https://dvmager.com/blog/tag/KidLit monthly 0.5 https://dvmager.com/blog/tag/Nature monthly 0.5 https://dvmager.com/blog/tag/Wheel monthly 0.5 https://dvmager.com/blog/tag/Mechanisms monthly 0.5 https://dvmager.com/blog/tag/Kreisfirth monthly 0.5 https://dvmager.com/blog/tag/Journal monthly 0.5 https://dvmager.com/blog/tag/Iridescence monthly 0.5 https://dvmager.com/blog/tag/Celestial monthly 0.5 https://dvmager.com/blog/tag/MG+Fiction monthly 0.5 https://dvmager.com/events daily 0.75 2023-03-22 https://dvmager.com/events/event-one-rhrpa monthly 0.5 2020-12-17 https://dvmager.com/about daily 0.75 2025-06-17 https://images.squarespace-cdn.com/content/v1/5fb547b058f219200af79bb3/1606416295605-KP93G1ZFB6PTOIAY7TUU/STAFF+PHOTO.png https://images.squarespace-cdn.com/content/v1/5ce435d6bea1ed00016ba287/1558964652247-5MWXNMFZVOPGE4TY6U2Q/MHeiderich_ReflexionenZwei-05-copy.jpg ABOUT https://dvmager.com/contact daily 0.75 2023-03-22 https://images.squarespace-cdn.com/content/v1/5ce435d6bea1ed00016ba287/1558964652247-5MWXNMFZVOPGE4TY6U2Q/MHeiderich_ReflexionenZwei-05-copy.jpg CONTACT https://dvmager.com/home daily 1.0 2024-04-15 https://dvmager.com/nonfiction daily 0.75 2024-06-17 https://images.squarespace-cdn.com/content/v1/5fb547b058f219200af79bb3/1606523299872-NS5PZY1W25BA6HFT54VO/FullSizeRender-9.jpg https://dvmager.com/fiction daily 0.75 2024-04-15 https://dvmager.com/fiction/kreisfirth-code-1 monthly 0.5 2023-09-27 https://dvmager.com/fiction/kreisfirth-code-2 monthly 0.5 2023-09-28 https://dvmager.com/fiction/kreisfirth-code-3 monthly 0.5 2023-09-28