## Search results

1. ### Maths in a minute: The brazil nut effect

... This article is part of our package on the maths of materials, which is based on a talk in Chris Budd's ongoing Gresham College lecture series . You can see a video ...

Marianne - 16 Mar 2018 - 15:41 - 0 comments

2. ### Maths in a minute: Euler's identity

... identity is often hailed as the most beautiful formula in mathematics. People wear it on T-shirts and get it tattooed on their ... and . These three constants are extremely important in maths — and since the identity also involves and , we have a formula ...

Marianne - 1 Nov 2017 - 11:54 - 5 comments

3. ### News from the world of maths: Maths in a minute

Wednesday, February 17, 2010 Maths in a minute — Achilles and the tortoise Achilles and a tortoise ...

4. ### Maths in a minute: The bridges of Königsberg

In the eighteenth century the city we now know as Kaliningrad was called ... Like many other great cities Königsberg was divided by a river, called the Pregel. It contained two islands and there were seven ... article was inspired by content on our sister site Wild Maths , which encourages students to explore maths beyond the classroom and ...

Marianne - 17 Mar 2017 - 10:02 - 1 comment

5. ### Maths in a minute: Boolean algebra

A B A AND B True True True True ... after the English mathematician George Boole (1815 - 1864). In Boolean logic statements can either be true or false (e.g. at the moment "I ... values the compound statement can take. (You can read more in George Boole and the wonderful world of 0s and 1s .) Truth ...

Rachel - 11 Oct 2016 - 15:26 - 1 comment

6. ### Maths in a minute: Graphs and the degree sum formula

... This is an example of a graph. In maths a graph is what we might normally call a network. It consists of a ...

Marianne - 10 May 2018 - 13:54 - 0 comments

7. ### Maths in a minute: The two envelopes problem

... for HLFF (c) Pressefoto Kreutzer Plus is currently in Heidelberg, Germany, visiting the Heidelberg Laureate Forum 2017 . The Forum gives young researchers in maths and computer science the chance to meet some of the best minds in their ...

Marianne - 13 Mar 2018 - 16:19 - 35 comments

8. ### Maths in a minute: The golden ratio

... was first studied by the ancient Greeks, and it was defined in terms of geometry. Take a piece of line and divide it into a longer and a shorter piece so that the ...

Marianne - 9 Mar 2017 - 12:14 - 0 comments

9. ### Maths in a minute: Simplifying circuits

... – AND, OR and NOT – can be physically represented in the computer circuits and mathematically representation using Boolean algebra . (You can read more in Maths in a minute: Boolean algebra .) This realisation of the links between ...

Rachel - 11 Oct 2016 - 15:27 - 0 comments

10. ### Maths in a minute: Variance

When faced with a list of numbers we often feel the urge to compute its average to get a rough ... salaries and the vertical axis of measuring how many people in a population receive the corresponding salary. The red curve has a smaller ... (the reason we square it is that we're only interested in the size of the difference and not whether it's positive or negative). Now ...

Marianne - 7 Feb 2018 - 13:45 - 1 comment