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Chess Knight Move

Find the country and its capital city, using the move of a chess knight. First letter is A. Length of words in solution: 10,4.

Correct answers: 35

The first user who solved this task is Thinh Ddh.

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If you want to know who is rea...

If you want to know who is really man’s best friend, put your dog and your wife in the trunk of your car, come back an hour later, open the trunk, and see which one is happy to see you.

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Svedberg's colloidal sol patent

In 1909, Swedish chemist Theodor Svedberg filed to patent his method of producing colloidal sols or gels, simultaneously in Great Britain, Germany, Denmark and Switzerland. By 1926, he received the Nobel Prize in Chemistry for his work with disperse systems. In colloidal systems, extremely fine particles are dispersed in a continuous medium, in which they remain suspended indefinitely. In molecular-disperse systems, the particles are large molecules like proteins or haemoglobin. Svedberg invented an ultracentrifuge to investigate them. At 40,000 revolutions/min, the particles were redistributed towards the periphery of the motion. Analysis of photographs of the distribution yielded the molecular weight of the particles.«

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