Hannah Arendt: The political philosopher reminded us that “the sense by which we take our bearings in the real world – the category of truth versus falsehood – is being destroyed”.    Photograph: Apic/Getty Images

There was nothing conspicuously apocalyptic about the culture of the Weimar Republic that was the German state for almost 15 years after the conclusio(...)

Hungarian mathematician and physicist Cornelius Lanczos came to Dublin in 1954 and stayed until the end of the 1960s. He once saw fit to correct The Irishman’s Diary on a point of fact. And perhaps more remarkably, he was wrong.

Most people know about Erwin Schrodinger, the great Austrian physicist who spent the 1940s and later working at the Dublin Institute for Advanced Stud(...)

IBM Research director Dario Gil with the Q System One computer at the company’s research facility in Yorktown Heights in New York.

Henry Ford reputedly said that if he had asked people what they wanted, they’d have chosen faster horses, not cars. In the past two decades, we sought(...)

Schematic of the central region of a black hole showing infalling material (yellow) and a powerful jet of outflowing material (white). From Chandra X-Ray Observatory, Harvard-Smithsonian Center for Astrophysics.

Physics, the most fundamental branch of science, has two main theories – quantum mechanics and general relativity. Quantum mechanics explains the very(...)

Hungarian Cornelius Lanczos took up a position   at the Dublin Institute for Advanced Studies.

In May 1954, Cornelius Lanczos took up a position as senior professor in the School of Theoretical Physics at the Dublin Institute for Advanced Studie(...)

 Dr Francis Collins: one of America’s top scientists,  he insists that “belief in God can be an entirely rational choice, and that the principles of faith are, in fact, complementary with the principles of science”.    Photograph:    Patrick McDermott/ Getty Images

It was a relief when travel restrictions were eased, and it was possible to get out and enjoy the countryside. Many, including those who would not reg(...)

Since Covid-19 school closures, we fully realise what levels of patience, persistence and personal attention goes into the role of educator. Photograph: iStock

Homeschooling has given us all a new appreciation of teachers – with both parents and pupils missing the múinteoirs. Since Covid-19 school closures, (...)

New Zealand Warriors rugby league team players arrive at the airport in Tamworth, New South Wales last Sunday. The squad will spend 14 days in quarantine  before competition restarts on May 28th. Photograph: Peter Parks/AFP via Getty Images

In the space of a couple of months, rugby’s business model of the last 20 years has been destroyed. Burned in the all-consuming flames of the Covid-19(...)

Democratic presidential hopeful Joe Biden. Perhaps it is too much to hope that an unremarkable leader can make the planet safe for globalism. But it would not be the first time. Photograph: Saul Loeb/AFP

It feels rude to point out how little was expected of Harry Truman when he became US president 75 Aprils ago. He was “just” a Missouri haberdasher. He(...)

Albert Einstein. Photograph: Popperfoto/Getty Images

About one year ago a Twitter post dismissed something I wrote as a “typical contribution from an old white man”. This got me pondering the “dead white(...)

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