James has been writing about technology for years but has loved it since the early 90s. While his main areas of expertise are maker tools -- 3D printers, vinyl cutters, paper printers, and laser ...

Today's affordable 3D printers will surprise you: You can get a smooth-working machine with useful features once reserved for high-end models. Starting at just $250, these are the top budget ...

More affordable than ever, 3D printers are booming for personal, professional, and educational use. We've been testing them for over a decade and are here to help you find the right option. Since 2004 ...

A paradox is a seemingly untrue or contradictory statement that, when investigated further, may prove to be true. Paradoxes can also take the form of philosophical riddles or images that appear to ...

Abstract: In this article, a random triangle model (RTM) is proposed for tracking an extended object (EO) (e.g., an aircraft or ship) that can be modeled by one or more triangles. In the RTM, a ...