Try these interactive flashcards based on GCSE chemistry past papers. By working your way through the flashcards created by experts, you can prepare for your chemistry exams and make your revision ...

Knee pain is the most common muscle and joint ailment that brings people to the doctor. It affects about 25% of U.S. adults. Knee pain may be the result of an injury, overuse, or medical ...

Abstract: A switchable integrated absorber and radiator is proposed in this letter based on a planar ultra-wideband modular antenna (PUMA) structure integrated with PIN diodes. The switchable PUMA can ...

We provide a general overview of the background necessary to combine solid-state chemistry and electronic structure methods for instructors and DFT beginners. The remainder of the tutorial emphasizes ...

Damian Lewis had many of us reaching for the tissues after his emotional appearance on Tommy Tiernan's show, where he spoke beautifully about his late wife Helen McCrory. The actor told how Helen's ...

as these are directly impacted by back-bonding interactions. We then explore the ground-state electronic structure and chemical bonding characteristics, illustrating how modulation of the the actinide ...