Thatsmaths

22 results

Photograph: iStock

At five litres per minute the average human heart pumps nearly 200 megalitres of blood through the body in a lifetime. Heart disease causes 40 per cen(...)

‘Starry Night’: it seems probable that Van Gogh was gifted with a profound intuitive feeling for turbulence and that this is reflected in his paintings.

We are all familiar with the measurement of speed, the distance travelled in a given time. Allowing for the direction as well as the magnitude of move(...)

Sunrise on the morning of the winter solstice, at Coliemore Harbour, Dalkey, Co Dublin. Photograph: Eric Luke

Today is the winter solstice, the shortest day of the year. We might expect that the latest sunrise and earliest sunset also occur today. In fact, the(...)

A photograph of a supernova explosion: after the star blows off the lighter material outside it packs down into a neutron star that becomes a pulsar.

People of old were more aware than we are of the night sky and took a keen interest in unusual happenings above them. The configuration of the stars w(...)

Nasa scientists have used Earth’s gravity to slingshot ‘OSIRIS-REx’  to an asteroid called Bennu. Illustration: Nasa

The Voyager 1 and Voyager 2 spacecraft have now left the solar system and will continue their journeys into deep space indefinitely. How did we manage(...)

Gauss’s work extended the theory of numbers in several directions, and its influence continued into the 20th century

You may never have heard of modular arithmetic, but you use it every day without the slightest difficulty. In this system, numbers wrap around when th(...)

Eoin Gill and Sheila Donegan from Maths Week are pictured with Jadine Rock of Rutland National School in Gloucester Place, Dublin 1, at the launch of Maths Week Ireland - the world’s largest festival of maths and numeracy.  Photograph: Shane O’Neill

Maths is hard: many people find it inscrutable and have negative attitudes towards maths. They may have bad memories of school maths or have been told(...)

A graphic illustration showing the loxodromic and great circle routes from New York to Beijing

If you fly 14,500km due westward from New York you will come to Beijing. The two cities are on the 40th parallel of latitude. However, by flying a gre(...)

Andrey Markov  analysed the text of Alexander Pushkin’s classic verse novel ‘Eugene Onegin’

Imagine examining the first 20,000 letters of a book, counting frequencies and studying patterns. This is precisely what Andrey Markov did when he ana(...)

Sanssouci Palace in Potsdam, Germany, now with its fountain

When Frederick the Great was crowned King of Prussia in 1740 he immediately revived the Berlin Academy of Sciences and invited scholars from throughou(...)

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