Looking for clues for today's Connections answers? The Connections answer on December 30 for puzzle #933 is the same ...

Abstract: Active development is taking place in reconfigurable and static metasurfaces that control and optimize reflections. However, existing designs typically only optimize reflections from the ...

Homing pigeons can fly hundreds of miles and still land on the same rooftop. Scientists have long suspected that these birds carry an invisible compass, yet the physical sensor behind it has stayed ...

For the past several years, America has been using its young people as lab rats in a sweeping, if not exactly thought-out, education experiment. Schools across the country have been lowering standards ...

Forbes contributors publish independent expert analyses and insights. Sahar Hashmi, M.D., Ph.D., is a Boston-based, award-winning AI expert. AI has become both compass and crutch for millions of ...

Math doesn’t have to be daunting, especially when your iPhone (or iPad) can do the heavy lifting. Tucked away inside iOS is a full-featured scientific calculator, ready to help you solve complex ...

Who are the adults in children’s lives? By The Learning Network What caused the Antarctic explorer’s ship to wreck? A new study contends it may not be what experts thought. By The Learning Network ...

Use Math Progress to personalize math instruction, engage students, and identify learning gaps. Explore the educator’s guide to Math Progress. Many students face challenges in building confidence with ...

Abstract: In this paper, the impact of reflections in full duplex optical networks transmitting analog radio signal is investigated. The experimental testbed has been proposed according to the ...