Encryption systems rely on “random” numbers, but conventional computers can’t generate them perfectly. New research shows that quantum physics can. By Alexander Nazaryan Researchers in Switzerland ...

Try these quizzes based on GCSE maths past papers. By working your way through the maths questions created by experts, you can prepare for your maths exams and make your revision more interesting.

Adam Hayes, Ph.D., CFA, is a financial writer with 15+ years Wall Street experience as a derivatives trader. Besides his extensive derivative trading expertise, Adam is an expert in economics and ...

GCSE exams in 2026 are scheduled to start from the week commencing Monday, 4 May and finish on Friday, 26 June. These are the most up-to-date exam dates set by each exam board, but they might change ...