Learn how to tie the Distel friction hitch with this easy rope climbing knot tutorial, perfect for arborists, climbers, and ...

Learn how to tie the Sheepshank Knot, a classic knot used to shorten a rope without cutting it or to bypass a worn section. This step-by-step guide explains how the knot works, when it’s useful, and ...

One of the perennial challenges of building robots is minimizing the size and weight of drive systems while preserving power.

Drexel takes into consideration a number of criteria when determining admission, including your high school performance, letters of recommendation, standardized test scores, and essay. Students are ...

Police are investigating four separate subway slashings that left passengers with injuries over the weekend — even as officials are touting major drops in subway crime this year. NYPD officials said ...