8 of 11Image
Atom Smashing: Ernest Walton
Before there was a Large Hadron Accelerator to validate the existence of the Higgs Boson, before the Atomic Bomb, before the first Atomic pile built by Enrico Fermi, there was the Cockcroft-Walton Generator, an early form of the particle accelerator. It was co-developed by Irishman Ernest Walton and John Cockcroft at Cambridge University during the 1930s, and made Walton the first man to artificially split the atom and the only Irishman to ever win a Nobel Prize in Science.
Ship Building: Belfast
Some of the world's most famous ocean-going vessels, including the RMS Titanic and both of its sister vessels, Olympic and Britannic, were built at the shipyards in Belfast, in Northern Ireland.
Among the most prolific of shipbuilders during the Gilded Age was Harland & Wolff, which is still in business today, but now focuses much of its efforts on offshore renewable energy. In addition to the Olympic class vessels, the modern ocean liners Southern Cross and Canberra, the company built a number of the UK's aircraft carriers and cruisers.
Seismology: Robert Mallet
We often think of Silicon Valley as the cradle of American technological innovation. Intel, Apple, Oracle, Cisco, Hewlett Packard — just to name a few, are all headquartered there.
But Silicon Valley, as well as the entire San Francisco Bay Area and many parts of the world that are susceptible to siesmic activity, would have no understanding of earthquakes and how to anticipate and record their activity, and the entire science of earthquake-proofing buildings and other structures would not have come to fruition, if it were not for the development of Instrumental Seismology in the 1840s, which was invented by Robert Mallet, an Irishman.