List of Danish inventions and discoveries
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This is a list of Danish inventions and discoveries. The following incomplete list comprises people from Danish and of Danish origin. The following is a list of inventions or discoveries generally believed to be Danish:
Arts
- Lego-Lego is a line of plastic construction toys manufactured by the Lego Group, a privately held company based in Billund, Denmark. It was founded by Ole Kirk Christiansen, a carpenter from Billund, Denmark, who began making wooden toys in 1932.[1] By 1930, Christiansen employed a small workforce to maintain his growing business.[2]
Astronomy
- Tychonic system: a model of the universe published by Tycho Brahe in 1588, which describes the Earth as the centre of the universe, with the planets revolving around the Sun, which in turn revolves around the Earth.[3]
Biology
- Gram stain-It is a method of staining used to classify bacteria species which was developed by Danish bacteriologist Hans Christian Gram .[4] [5]
- Parotid duct- Parotid duct was first described by Nicolas Steno.
Physics
Natural physics
- Ole Christensen Rømer was a Danish astronomer , first demonstrated that light travels at a finite speed.[6]
Electrical physics
- Magnetic field: The concept that electric current creates a magnetic field was proposed by Hans Christian Ørsted.[7]
Quantum physics
- Bohr model- Developed by Niels Bohr.[8]
- Bohr–Van Leeuwen theorem-proposed by Neils Bohr it states that when statistical mechanics and classical mechanics are applied consistently, the thermal average of the magnetization is always zero.[9]
Technology
- Thermometer The modern thermometer, showing the temperature between two fixed points,[clarification needed] was invented by Ole Rømer.
Computer Science
- C++-C++ is a high-level, programming language created by Danish computer scientist Bjarne Stroustrup.[10]
References
- ^ Thorø, Marianne (2018-12-06). "LEGO-løverne har forladt Billund". Billundonline.dk - Nyheden når den er ny - fra hele Billund kommune (in Danish). Retrieved 2023-11-28.
- ^ Herman, Sarah (2012). Building a History: The Lego Group. Barnsley, South Yorkshire: Pen & Sword Books Ltd. Archived from the original on 27 February 2023. Retrieved 15 January 2021.
- ^ "The Tychonic system is, in fact, precisely equivalent mathematically to Copernicus' system." (p. 202) and "[T]he Tychonic system is transformed to the Copernican system simply by holding the sun fixed instead of the earth. The relative motions of the planets are the same in both systems ..." (p. 204), Kuhn, Thomas S. , The Copernican Revolution (Harvard University Press, 1957).
- ^ "Gram Stain: MedlinePlus Medical Test". medlineplus.gov.
- S2CID 32452815.
- .
- ^ Jacobsen, A. S.; Knudsen, O. (14 April 2021). "H.C. Ørsted". Den Store Danske (in Danish). Gyldendal. Retrieved 12 April 2023.
- ^ "Bohr model | Description, Hydrogen, Development, & Facts | Britannica". www.britannica.com. 2025-02-14. Retrieved 2025-02-18.
- S2CID 139102854.
- OCLC 59193992.