Scottish inventions and discoveries are objects, processes or techniques either partially or entirely invented, innovated, or discovered by a person born in or descended from Scotland. In some cases, an invention's Scottishness is determined by the fact that it came into existence in Scotland (e.g., animal cloning), by non-Scots working in the country. Often, things that are discovered for the first time are also called "inventions" and in many cases there is no clear line between the two. Some Scottish contributions have indirectly and directly led to controversial political ideas and policies, such as the measures taken to enforce British hegemony in the time of the British Empire. Some of the most significant products of Scottish ingenuity include James Watt's steam engine, improving on that of Thomas Newcomen, joint role in creating the bicycle, macadamisation (not to be confused with tarmac or tarmacadam), Alexander Graham Bell's invention of the first practical telephone, John Logie Baird's invention of television, Alexander Fleming's discovery of penicillin and insulin. The following is a list of inventions, innovations, or discoveries that are known or generally recognised as being Scottish.
Road transport innovations Macadamised roads (the basis for, but not specifically, tarmac): John Loudon McAdam (1756–1836) The pedal bicycle: Attributed to both Kirkpatrick Macmillan (1813–1878) and Thomas McCall (1834–1904) The pneumatic tyre: Robert William Thomson and John Boyd Dunlop (1822–1873) The overhead valve engine: David Dunbar Buick (1854–1929)
Civil engineering innovations The Falkirk wheel: Initial designs by Nicoll Russell Studios, Architects, RMJM and engineers Binnie, Black, and Veatch (Opened 2002) The patent slip for docking vessels: Thomas Morton (1781–1832) The Drummond Light: Thomas Drummond (1797–1840) "Trac Rail Transposer", a machine to lay rail track patented in 2005, used by Network Rail in the United Kingdom and the New York City Subway in the United States.
Power innovations Condensing steam engine improvements: James Watt (1736–1819) Thermodynamic cycle: William John Macquorn Rankine (1820–1872) Coal-gas lighting: William Murdoch (1754–1839) The Stirling heat engine: Rev. Robert Stirling (1790–1878) Carbon brushes for dynamos: George Forbes (1849–1936) The Clerk cycle gas engine: Sir Dugald Clerk (1854–1932) The Pelamis Wave Energy Converter ("red sea snake" wave energy device): Richard Yemm, 1998
Shipbuilding innovations Europe's first passenger steamboat: Henry Bell (1767–1830)
Military innovations Lieutenant-General Sir David Henderson two areas: Field intelligence. Argued for the establishment of the Intelligence Corps. Wrote Field Intelligence: Its Principles and Practice (1904) and The Art of Reconnaissance (1907) on the tactical intelligence of modern warfare.
Heavy industry innovations Coal mining extraction in the sea on an artificial island by Sir George Bruce of Carnock (1575). Making cast steel from wrought iron: David Mushet (1772–1847) Wrought iron sash bars for glass houses: John C. Loudon (1783–1865) The hot blast oven: James Beaumont Neilson (1792–1865) The steam hammer: James Nasmyth (1808–1890) Improved wire rope: Robert Stirling Newall (1812–1889) Steam engine improvements: William Mcnaught (1831–1881) The Fairlie, a narrow gauge, double-bogie railway engine: Robert Francis Fairlie (1831–1885)
Agricultural innovations Threshing machine improvements: James Meikle (c.1690-c.1780) & Andrew Meikle (1719–1811) Hollow pipe drainage: Sir Hew Dalrymple, Lord Drummore (1700–1753) The Scotch plough: James Anderson of Hermiston (1739–1808) Deanstonisation soil-drainage system: James Smith (1789–1850) The mechanical reaping machine: Rev. Patrick Bell (1799–1869) The Fresno scraper: James Porteous (1848–1922) The Tuley tree shelter: Graham Tuley in 1979
Communication innovations Joint development of the telephone: Alexander Graham Bell (1847-1922) Print stereotyping: William Ged (1690–1749) Roller printing: Thomas Bell (patented 1783) The Waverley pen nib innovations thereof: Duncan Cameron (1825–1901) The popular "Waverley" was unique in design with a narrow waist and an upturned tip designed to make the ink flow more smoothly on the paper. Light signalling between ships: Admiral Philip H. Colomb (1831–1899) The teleprinter: Frederick G. Creed (1871–1957) RADAR: A significant contribution made by Robert Watson-Watt (1892–1973) alongside Englishman Henry Tizard (1885-1959) and others The automated teller machine and Personal Identification Number system: James Goodfellow (born 1937)
Publishing firsts The first edition of the Encyclopedia Britannica (1768–81) The first English textbook on surgery (1597) The first modern pharmacopaedia, William Cullen (1776). The book became 'Europe's principal text on the classification and treatment of disease'. His ideas survive in the terms nervous energy and neuroses (a word that Cullen coined). The educational foundation of Ophthalmology: Stewart Duke-Elder in his ground breaking work including ‘Textbook of Ophthalmology and fifteen volumes of System of Ophthalmology’
Culture and the arts Scottish National Portrait Gallery, designed by Sir Robert Rowand Anderson (1889): the world's first purpose-built portrait gallery.
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