You need two ropes to tie this knot: a standing line and a loop. The standing line must be at least twice the diameter of your loop. We’re using an 8 mm climbing rope and a three-foot piece of 550 ...

A controversial physics question asked students to predict the shape of a cable hanging beneath a moving helicopter. Instead of arguing on paper, the team rented a real helicopter and tested it in the ...

The ability to properly tie climbing knots is an essential skill that every climber, regardless of experience or ability, should not only learn, but master. There are hundreds of types of knots you ...

Knots are one of those “boring” skills that save the day over and over. Hanging a quarter, tying down a load, rigging a tarp in wind, making a drag, building a quick handline, fixing a busted ...

Jeff Somers is a freelancer who has been writing about writing, books, personal finance, and home maintenance since 2012. When not writing, Jeff spends his free time fixing up his old house. He has ...