Spring-loaded plungers use a spring and a plunger (or ball tip) to exert a precise and repeatable force. They are a better option than having engineers cobble together an assembly that uses a simple, ...

Abstract: Intelligent reflecting surface (IRS) is an enabling technology to engineer the radio signal propagation in wireless networks. By smartly tuning the signal reflection via a large number of ...

When most silk-spinning spiders hunt, they build a web and wait for prey to blunder into it. But a newly discovered species from Australia instead uses its silk to craft a spring-loaded, cone-shaped ...