Abstract: An efficient, accurate, and robust inversion algorithm is proposed in this work to reconstruct perfect electric conductor (PEC) scatterers, which considers the complex multiple scattering ...

It was lovely to read Sabrina Olson’s letter (6 March) on the quiz as it has been a family ritual for us for years. It kept us all connected through our children’s time at university, then moving into ...

We’re about to see if you can answer this and 26 other questions on geography. But these are not just any questions: in each question, there’s a connection between either two regions, countries, or ...

Object recognition relies on many things, not just a clear picture. Your brain takes the viewpoint, lighting, and general shape into consideration before it looks at the finer details, allowing you to ...

Are you a true ‘Friends’ fan? Well, there are 35 questions waiting to be answered. We’re sure you’ve laughed at Ross’ dramatic meltdowns, questioned Chandler’s life choices, and probably said “Oh. My.

The Champions League returns with 16 of the best teams in Europe battling to be crowned European champions in Budapest on 30 May. These clubs are world famous, but how well do you know each side in ...

Welcome back to another round in our ongoing general science series! By now, you should know the expectations. The questions start reasonably. Then they get layered. Then they start testing whether ...

2025 was the best year for quiz book sales since records began in 1998; while Bibles also proved popular If the question is which genre bucked the prevailing trend in publishing to record a remarkable ...

Seven of the eight FA Cup fifth-round ties have been played, but were you paying attention? Take on our quiz. After more quizzes? Go to our dedicated Football Quizzes and Sports Quizzes pages and sign ...

Abstract: Memory access monitoring is commonly used in memory security, performance optimization, and program debugging. Currently, software instrumentation is the main method for implementing ...

War spreads in the Middle East, a coaching legend dies, and several incumbents face tough primaries. Test your knowledge of the week in news, and take last week’s ...