The hidden structure of the periodic system

A slightly different periodic table: The table of chemical elements, which goes back to Dmitri Mendeleev and Lothar Meyer, is just one example of how objects – in this case the chemical elements – can be organized in such a system. The researchers from Leipzig illustrate the general structure of a periodic table with this…

A-level maths paper leaked online before exam

An investigation has been launched after an A-level maths paper was circulated online before the exam. Images of the test paper by Edexcel appeared on social media on Thursday afternoon. The exam board’s parent company, Pearson, said the images “were circulated in a very limited way” before students sat the exam on Friday. “Having visited…

Simplified, enhanced performance prediction for complex systems

Simulation of buckling knockdown factor prediction for a composite shell (left), and the ply stack of the composite (right). Credit: Oak Ridge National Laboratory Researchers from Oak Ridge National Laboratory developed a novel design and training strategy for reversible ResNets that reduces the dimensionality of high-dimensional machine learning models for complex physical systems. Developing reduced-order…

University subject profile: mathematics

What you’ll learn Familiar with fractals? Study a degree in maths and you soon will be. Broadly speaking, maths degrees should give you the basic ideas of pure mathematics (linear algebra, geometry, etc), applied mathematics (calculus, mathematical methods, modelling and numerical analysis), and statistics (including probability and operational research). Your first year will probably give…