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Guillermo González C.

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Wolfgang Ostwald

Born 27 May 1883; died 22 Nov 1943 at age 60.German chemist who devoted his life as a teacher, researcher, editor and one of the founders of colloid chemistry. He defined colloids as disperse systems that are generally polyphasic and that possess particles 1-100 millimicrons in size. He discovered the rule of colour dispersion in the optics of colloidal systems, explained colloids' irregular flow behaviour, textural viscosity, and textural turbulence, and developed a method of foam analysis. He edited (from 1909) Kolloidchemische Beihefte and other journals and as the founder (1922) and president of the Kolloid Gesellschaft, Ostwald advanced research in colloids. He was the second child of 1909 Nobel Laureate Friedrich Wilhelm Ostwald.

Expensive Barbie!

A man was driving home from work one evening when he suddenly realized that it was his daughter's birthday and he hadn't yet bought her a gift.

So, the man rushed off to the nearest toy store and asked the sales clerk, "How much is that Barbie in the window?"

The sales clerk replied in a condescending tone, "Which Barbie? We have Barbie Goes to the Gym for $19.95, Barbie Goes to the Ball for $19.95, Barbie Goes Shopping for $19.95, Barbie Goes to the Beach for $19.95, Barbie Goes Nightclubbing for $19.95, and Divorce Barbie for $265.00."

The overwhelmed man asked, "Why is the Divorced Barbie $265.00 and all the others are only $19.95?"

"That's obvious!" said the sales clerk. "Divorce Barbie comes with Ken's house, Ken's car, Ken's boat, Ken's furniture..."

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