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

A: If you spill a drop of coffee on a table, you often see a dark ring with a pale centre after it dries. This pattern arises from how the drop evaporates and how coffee particles move. The edge of ...

Many layers: knife sharpness and cutting technique greatly affect the speed of droplets that are created when cutting an onion (courtesy: Zixuan Wu and Sunghwan “Sunny” Jung at Cornell University) ...

Join us for an exclusive in-person event at the Royal Institution in central London this November, as the Institute of Physics commemorates the past, present and future of quantum physics Regular ...

Part of Combined Science Structures, trends, chemical reactions, quantitative chemistry and analysis There are only 0.25 moles of HCl (instead of 0.3 moles), so the HCl will run out first. It is the ...