Flemish knot. Tourist tips

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Flemish knot. Tourist tips

Tourist tips

flemish knot - this is one of the oldest marine knots, which was used on ships to connect two cables, both thin and thick. In fact, this is the same figure eight, tied with two ends. There are two ways to knit this knot. The first one is shown in the diagram.

First, at the end of one of the cables tied together, make figure eight. Towards the exit of the running end from it, enter the running end of the second cable and repeat the figure "8", tied on the first cable. After that, grasping each two ends, left and right, evenly begin to tighten the knot, trying to keep its shape. To finally tighten the knot, pull on the root ends of the cables.

Rice. 21. Flemish knot

The connection of two cables with a Flemish knot is considered very strong. This knot, even when tightly tightened, does not damage the cable, and is relatively easy to untie. In addition, it has excellent quality - does not slip and holds securely on synthetic fishing line.

Author: Skryagin L.N.

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Astronomers from the University of Sydney have made an exciting discovery by detecting radio emission from an ultracold brown dwarf. This dwarf is a ball of gas that "boils" at a temperature of about 425 ° C without nuclear reactions. Usually such stars do not emit radio waves, so the reason for this phenomenon remains a mystery.

The star T8 Dwarf WISE J062309.94-045624.6 lies about 37 light-years from Earth. Its radius is from 0,65 to 0,95 of the radius of Jupiter, and the mass is 4-44 times the mass of the largest planet in the solar system (the exact value of the mass has not yet been determined). Even though this brown dwarf is not the coldest, astronomers have only observed radio emission from hotter stars so far.

Size comparison of various objects: Sun, low-mass star, brown dwarf, Jupiter, Earth. Brown dwarfs occupy an intermediate position between the smallest stars, where nuclear reactions of hydrogen take place, and large gas giants. Image: NASA/JPL

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