ROPE: How a Bundle of Twisted Fibers Became the Backbone of Civilization. By Tim Queeney. St. Martin’s Press. 336 pages. $27. Counter-intuitive as it seems, a knot makes a length of rope weaker, not ...

Abstract: In view of the inaccuracy of existing methods for calculating the central anchor position and the lack of calculation method for the central anchor clamp position on long straight line ...

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This knot is very useful for adjusting tie downs quickly and easily. For example, a tarp could be held down by a series of these knots and be made very tight so the wind cannot make it rise, and ...

When it comes to climbing, don’t underestimate the power of a well-tied knot. The importance of knots in climbing for both safety and efficiency can’t be overstated. The best climbers are those that ...

Breakthroughs, discoveries, and DIY tips sent every weekday. Terms of Service and Privacy Policy. As humans age, daily work, smartphones, and even pillows can seem to ...

I’ve hunted with all kinds of climbing sticks, ranging from the $30 cheapos to premium offerings from innovative brands. After nearly 20 years of experimenting and conducting head-to-head tests, I’ve ...