Where does the tribe live, in which all women deliberately lengthen their necks by 25-30 cm? Detailed answer

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Where does the tribe live, in which all women deliberately lengthen their necks by 25-30 cm? Detailed answer

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Where does the tribe live, in which all women deliberately lengthen their necks by 25-30 cm?

On the territory of Myanmar and Thailand, the Padaung tribe lives, which has an ancient tradition of lengthening their women's necks with brass rings. The first ring is put on a girl at 5 years old, then they are added throughout her life and can reach a total weight of 9 kg.

There is a myth that the neck muscles in these women atrophy and the removal of the rings can cause suffocation. However, they are free to put on and take off the rings. X-rays showed that the neck itself in women does not change, but the shoulder girdle drops.

Authors: Jimmy Wales, Larry Sanger

Random interesting fact from the Great Encyclopedia:

What is nitinol and why is it remarkable?

Nitinol is an alloy of titanium (55 percent) and nickel (45 percent).

The most remarkable property of nitinol is its inherent "memory effect". If products made of nitinol are given a certain shape at a certain temperature, and then this shape is changed, then when they return to the critical temperature, they "remember" and restore the given configuration. In addition, nitinol has high corrosion and erosion resistance.

These properties of nitinol determine the wide prospects for its application in various fields of technology (and not only technology). Nitinol is used to make so-called cava filters used in vascular surgery to prevent pulmonary embolism.

A few years ago, the Italian haute couture firm Corpo Novo created a men's shirt made from a fabric with 5 thin wire of nitinol for every 1 nylon fibers. If you roll up the sleeves of this shirt and heat it, say, to 35 degrees Celsius, and then cool it and lower the sleeves, then when this temperature is reached again, the sleeves will roll up themselves.

In the same way, it is enough to iron this shirt once with an iron, for example, at a temperature of 50 degrees Celsius, and then you can crumple it as you like, but after heating (this time with a hair dryer) to this temperature, all the wrinkles on it will smooth out themselves.

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Pentax AF201FG all-weather flash 14.02.2015

Ricoh Imaging introduced the AF201FG external flash for Pentax SLR cameras. In the description of the novelty, the manufacturer first of all highlights the guide number equal to 20 (at ISO 100) and protection against dust and atmospheric influences. According to Ricoh Imaging, the flash can be relied upon "even in harsh weather conditions, including rain and fog."

The flash head angle is selectable from -10° to 135°. Turning on and selecting a mode is done with a wheel. Four modes are available: P-TTL auto with front-curtain sync, P-TTL auto with rear-curtain sync, manual full power, and manual 1/4 power. The angle that the flash illuminates is 53° vertically and 70° horizontally. There is a retractable lens for shooting with a wide-angle lens that increases angles to 85° and 98°.

The flash is powered by two AAA elements. A set of alkaline elements is consumed in 80 flashes, recharging the flash in 7 seconds. 750mAh NiMH rechargeable batteries deliver 100 flashes, recharging the flash in 4 seconds.

Flash dimensions are 65,0 x 72,5 x 31,0 mm, weight without batteries - 141 g.

The AF201FG will go on sale in March for $150.

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