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1759 In Science
The year 1759 in science and technology involved several significant events. Astronomy * Halley's Comet returns; a team of three mathematicians, Alexis Clairaut, Joseph Jérôme Lefrançois de Lalande, Jérome Lalande and Nicole-Reine Lepaute, Nicole Reine Lepaute, have – for the first time – predicted the date. Biology * Caspar Friedrich Wolff's dissertation at the University of Halle ''Theoria Generationis'' supports the theory of Epigenesis (biology), epigenesis. Botany * Royal Botanic Gardens, Kew, Kew Gardens established in England by Augusta of Saxe-Coburg, the mother of George III. Geology * Giovanni Arduino (geologist), Giovanni Arduino proposes dividing the geological history of Earth into four periods: Primitive, Secondary, Tertiary and Volcanic, or Quaternary. Medicine * June 15 – The first vascular surgery in history is performed by a Dr. Hallowell at Newcastle upon Tyne in England, who uses suture repair rather than a tying off with a Ligature (medicine), li ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
H4 Low 250
H4, H04, or H-4 may refer to: Science and mathematics * ATC code H04 ''Pancreatic hormones'', a subgroup of the Anatomical Therapeutic Chemical Classification System * Histamine H4 receptor, Histamine H4 receptor, a human gene * Histone H4, a protein involved in the structure of chromatin in eukaryotic cells * Hydrogen-4 (H-4), an isotope of hydrogen * H4 polytope, H4, a symmetry group in the Five-dimensional space, fifth dimension. Technology * H-4 SOW, a precision-guided glide bomb used by the Pakistan Air Force * Halo 4, a video game created by 343 Industries for the Xbox 360 * Harrison Number Four, an 18th-century marine chronometer designed by John Harrison * Zoom H4 Handy Recorder, a handheld digital audio recorder * , level 4 heading markup for HTML Web pages, see HTML element#heading Transport Automobiles and roads * H4, a halogen headlamp bulb * H4, development name of the Hummer HX concept car * H-4, shorthand for a 4-cylinder horizontally-opposed or Flat-four engine#Aut ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
