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, ...

At age 22 in 1889, Wright was a budding architect and newly married to his first wife, Catherine Lee Tobin Wright. He was working for the architecture firm Adler & Sullivan and still years away from ...

Follow President Trump’s progress filling over 800 positions, among about 1,300 that require Senate confirmation, in this tracker from The Washington Post and the Partnership for Public Service.