Abstract: With the application of uncrewed aerial vehicles(UAVs) in rescue and logistics delivery, safe and feasible path planning in dense environments becomes ...

Letters of Note has curated hundreds of interesting letters, telegrams, memos and faxes, from famous people, regular people, and even fictional people. Here are 10 thank you (and one ...

This paper describes Unbend - a new method for measuring and correcting motions in cryo-EM images, with a particular emphasis on more challenging in situ samples such as lamella and whole cells. The ...

Investopedia contributors come from a range of backgrounds, and over 25 years there have been thousands of expert writers and editors who have contributed. Robert Kelly is managing director of XTS ...

Abstract: This paper introduces a novel approach combining quantum particle swarm optimization (QPSO) and Kalman filter to enhance the anti-noise performance of micro-electro-mechanical system (MEMS) ...

Wanna see a trick? Give us any topic and we can tie it back to the economy. At Planet Money, we explore the forces that shape our lives and bring you along for the ride. Don't just understand the ...

Eliminating waste is the holy grail of management science—but overemphasizing it leads to a host of problems. Companies should pay just as much attention to resilience. by Roger L. Martin In his ...

Learn about classification with this guide. How to classify plants and animals Learn how to classify plants and animals. Learn how nutrients and water are transported around different animal bodies in ...

When we write things down it's important to keep things nice and clear, so it's easy to read. Sentences help us give an order, ask a question, state a fact or express an emotion or idea. Words are the ...

Hanging by a thread: Wasp spiders, Argiope bruennichi, are known to incorporate so-called “stabilimenta” into their web structure, but the function of these “extra touches” has remained unknown.

Marshall Hargrave is a stock analyst and writer with 10+ years of experience covering stocks and markets, as well as analyzing and valuing companies. Somer G. Anderson is CPA, doctor of accounting, ...

Entangled lights: Rumpamanjari Ghosh believes in the transformative role of quantum and nonlinear optics; and shared cultural traditions. (Courtesy: iStock/EyeEm Mobile GmbH) Homes and cities around ...