1816 in science

The year 1816 in science and technology involved some significant events, listed below.

Botany

• Botanic Gardens, Sydney, established in Australia.

Chemistry

• Veuve Clicquot invents the riddling table process to clarify champagne.

Mathematics

• John Farey notes the Farey sequence.<ref>Philosophical Magazine 47: 385–86. 1816.</ref>

Medicine

• René Laennec invents the stethoscope.<ref>Template:Cite book</ref>
• Caleb Parry publishes An Experimental Inquiry into the Nature, Cause and Varieties of the Arterial Pulse, describing the mechanisms for the pulse.<ref>Template:Cite web</ref>

Mineralogy

• Johann Fischer von Waldheim publishes Essai sur la Turquoise et sur la Calaite in Moscow, the first scientific treatise on the mineral turquoise.

Physics

• Sir David Brewster (1781–1868) discovers stress birefringence.

Technology

• January 9 – Sir Humphry Davy's Davy lamp is first tested underground as a coal mining safety lamp at Hebburn Colliery in north east England.<ref>Template:Cite book</ref>
• The Spider Bridge at Falls of Schuylkill, a temporary iron-wire footbridge erected across the Schuylkill River, north of Philadelphia, Pennsylvania, is the first wire-cable suspension bridge in history.<ref>Template:Cite journal</ref>
• Johann Nepomuk Maelzel begins production of the metronome with a scale.<ref>Template:Cite journal</ref>
• Rev. Robert Stirling obtains a patent in the United Kingdom for the Stirling hot air engine.
• English inventor Francis Ronalds demonstrates the practicability of the electric telegraph but it is rejected as "wholly unnecessary" at this time.<ref>Template:Cite book</ref><ref>Template:Multiref</ref><ref>Template:Cite web</ref>
• approx. date – Simeon North in New England produces a practicable milling machine for working metal.<ref>Template:Cite book</ref>

Awards

• Copley Medal: Not awarded<ref>Template:Cite web</ref>

Births

• January 2 – Anastasie Fătu, Moldavian and Romanian physician and naturalist (died 1886)
• July 7 – Rudolf Wolf, Swiss astronomer (died 1893)
• July 20 – Sir William Bowman, 1st Baronet, English ophthalmologist, histologist and anatomist (died 1892)
• December 13 – Werner Siemens, German electrical engineer (died 1892)

Deaths

• January 2 – Louis-Bernard Guyton de Morveau, French chemist (born 1737)
• April 7 – Christian Konrad Sprengel, German botanist (born 1750)
• September 18 – Bernard McMahon, Irish American horticulturalist (born c. 1775)
• September 28 – Edward Howard, English chemist (born 1774)
• December 15 – Charles Stanhope, 3rd Earl Stanhope, English engineer (born 1753)