The proof, known to be so hard that a mathematician once offered 10 martinis to whoever could figure it out, uses number ...

Here you can find AQA past papers for GCSE physics. Use the links below to download question papers and mark schemes. If you’re unsure whether you need Foundation or Higher papers, consult your ...

Using the results of experiments like these, the average rate of the reaction can be calculated. No matter which quantity is measured during the course of a reaction, the average rate of reaction can ...

CICECO, Chemistry Department, Aveiro University, 3810-193 Aveiro, Portugal, and Engineering Research Center IVC-SEP, Chemical Engineering Department, Technical University of Denmark, Building 229, ...

There’s a phrase that goes like this, “Education is one of the most important things in life”. I bet every one of us has heard this phrase at one point of time in our lives. While I don’t deny this ...

II Metallurgical Engineering Department, Universidade de São Paulo - USP, Av. Prof. Mello Morais, 2463, CEP 05508-030, São Paulo, SP, Brazil III Center of Thecnological Sciences, Universidade do ...

Physics can feel inscrutable to students; this lesson helps them understand a graphing problem by analyzing their own ...

The equations that mathematicians use to study the flow of water ... A New Algorithm Makes It Faster to Find the Shortest Paths A canonical problem in computer science is to find the shortest route to ...

Quantum mechanics has at last been formulated exclusively with real numbers, bringing a mathematical puzzle at the heart of ...

A version of this story appears in the September 2020 issue of National Geographic magazine. Philadelphia detected its first case of a deadly, fast-spreading strain of influenza on September 17, 1918.