Drawing a sun bear becomes much more approachable when the process is broken into clear and beginner friendly steps. This tutorial guides you from the initial sketch to a finished drawing while ...

Ready to draw a serval and make it look bold, elegant, and realistic? In this step by step tutorial, you will learn a simple process for sketching a serval from the first basic shapes to the final ...

Ruben Amorim has had a full season and now an entire calendar year as Manchester United boss. Whichever timeframe you view it from, and whatever context you apply, it’s been turgid. The manager will ...

A tiny, medieval metal pen, lost in a monastery around 800 years ago, has turned up again in the German Harz Mountains. Archaeologists uncovered the silver-tipped stylus at the long-vanished ...

Abstract: The advancement of intelligent technology has heightened the demand for efficient data acquisition. Pointer meters are easily affected by environmental factors and tilted shooting angles, ...

The eighth edition of The Architecture Drawing Prize has revealed its 15 winners, following a radical restructuring of its judging criteria to reflect the evolving landscape of architectural ...

Lindsey Ellefson is Lifehacker’s Features Editor. She currently covers study and productivity hacks, as well as household and digital decluttering, and oversees the freelancers on the sex and ...

Transform any PDF into an interactive canvas. Draw, annotate, and collaborate without uploading your documents to external servers.

Abstract: This article deals with the optimal super-ellipse formation tracking control problem for multiple unmanned vehicles (MUVs), where each vehicle contains nonlinear uncertainties of unmodeled ...