For more than a century, photographers have had to choose which part of a scene should be tack sharp and which parts would ...

Retirees who itemize can deduct eligible state and local taxes — including property, income, or sales taxes — on their ...

It is no secret that we like slide rules around the Hackaday bunker, and among our favorites are the cylindrical slide rules. [Chris Staecker] likes them, too, and recently even 3D printed a version.

This media is in the public domain (free of copyright restrictions). You can copy, modify, and distribute this work without contacting the Smithsonian. For more information, visit the Smithsonian's ...

It is well established that using your arms or hands in the game of football is not allowed. Yet the handball rule in football has been frustrating and difficult for players, coaches, fans, and even ...

Introduction In professional work, presentations are not just slides. They are decisions in progress. A founder uses a deck to convince investors. A sales Learn what an AI presentation maker is, how ...