The ‘father’ of chemistry – Robert BoyleBoyle’s Law (gas volume and pressure)• Experiments with an air pump• Modern analytical chemistry• Modern concept of an element• Litmus tests, for acid, base and neutral• Analytical tests for mineral water• Assays for gold and silver and salts• Formalin as a preservative
Irish algebra, helped to put a man on the MoonSir William Rowan Hamilton 1805-18651843: invented Quaternion algebraHamilton also laid the foundations of quantum mechanics.
A great experimentalist: John Tyndall• First proof of Greenhouse gaseffect (absorption spectroscopy ofgases)• First explanation of why the sky isblue•First proof of Pasteur’s germtheory•Champion and populariser ofscience,•Mountaineer & glaciologist•Tyndall institutes
New micro drop analyserbased on Tyndall’s work on spectrometry
The world’s largest telescope: 1845-1917Birr Castle ‘Leviathon’,Restored to working order.
1845: Revealed the spiral nature of galaxies andnebulaeThe whirlpool galaxy1845 Birr 2005 Hubble Space Telescope
1846: We invented seismologyRobert MalletIngenious engineer 1810-81
R&J Mallet: first seismic atlas of the worldReveals the Pacific rim of fire, 1850s
George Francis FitzGerald 1851-1901Radio waves, cosmic snowballs, the speed of light
1892: First electrical measurement of starlightFitzgerald, Monck & Minchin, 16 Earlsfort Terrace
George Gabriel StokesStokes’s conjectureStokes’s phenomenonStokes’s layerStokes’s lineStokes’s law of hydrodynamicsStokes’s aw of fluorescenceNavier-Stokes equations . . .the stokes, the standard unit ofkinematic viscosity, is equal to1cm2/second.Lucasion Professor at Cambridge(Newton and Hawking)
Thermodynamics and degrees KelvinWilliam Thomson,Baron Kelvin 1824-1907His many inventions includedan instrument that made thefirst successful transatlantictelegraph cable possible.
We split the atom1951 Nobel physics prize Ernest Walton, with John CockcroftExperimentalaccelerator anddetector, 1932Proved e=mc2Began the atomicera
Erwin Schrodinger, Nobel prize 1933The Austrian physicist lived inDublin 1939-1956 and tookIrish citizenship.His book, ‘What is Life?’,written in Dublin, inspired ageneration of biologists,including Crick and Watson.