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Maths in a minute: Escape velocity
... jump up into the air you'll come back down to the Earth with a bump. That's not because the laws of nature categorically forbid you leaving ... Filling in the values ...
Marianne  3 Sep 2019  12:08  3 comments

Maths in a minute: The d'Hondt method
... elections this week once again turn the spotlight on the maths of democracy. The elections use proportional representation: the idea ... x% of the seats that are up for grabs. The UK votes in the European Parliament elections on May 23, 2019. Photo: Daina Le Lardic, ...
Marianne  26 Jun 2019  12:32  0 comments

Maths in a minute: The Sydney Opera House
... had envisioned a series of sweeping curved shells. But in order to build these shells the shapes had to be described mathematically to ... their forms from the outside. To find out more about maths and architecture, see Maths in a minute: St Paul's dome ...
Marianne  21 May 2019  13:00  0 comments

Women of mathematics: AnneChristine Davis
... Watch the interview with AnneChristine Davis in this video! AnneChristine Davis is Professor of Mathematical ... "You're not good enough," or someone says, "Women don't do maths," just ignore them, or tell them they're wrong, and prove they're wrong. ...
Marianne  18 Apr 2019  10:29  1 comment

Maths in a minute: Flipping pancakes
It's pancake day, so let's imagine a stack of pancakes. Unless you are very good at making them, the pancakes are likely to come in different sizes, which makes a stack of them look very untidy. One way of ...
Marianne  4 Apr 2019  15:42  0 comments

Stuff happens: Listening to the Universe
... waves: they are the echoes of the most calamitous events in the Universe, like the collisions of black holes, yet it has taken us nearly ... these short articles for some background: Maths in a minute: Einstein's theory of general relativity — It was ...
Rachel  27 Mar 2019  16:13  0 comments

Who's watching: The cosmic microwave background
... background (CMB). This faint glow, which originated in the Big Bang, not only confirms that the Big Bang happened at all, it also ... Background reading Maths in a minute: Einstein's general theory of relativity — What would ...
Marianne  27 Mar 2019  16:13  0 comments

Maths in a minute: Higher dimensions
In normal life higher dimensions smack of science fiction, but in mathematics ... and backwards – which leads us to believe we live in a threedimensional world. Every point in this world is defined by three ... this question is easy to answer and sometimes it isn't. [/maths] To find out more, read Kaluza, Klein and their story of a ...
Marianne  8 Mar 2019  09:48  0 comments

Maths in a minute: Equal temperatures
At every given point in time there are two points on the equator of the Earth that have the same temperature. How do we know this? Well, here’s a proof. Let’s look at the equatorial plane which slices through the Earth at ...
Marianne  5 Mar 2019  12:40  2 comments

Maths in a minute: How does laser interferometry work?
... means that some distances become longer and some shorter. A laser interferometer measures the resulting distance by splitting a laser ... sending each of the two beams along different directions in space (each along one of the two arms of the detector), and then ...
Marianne  28 Jan 2019  12:46  0 comments