BRAIN TEASERS

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What a winning combination?

The computer chose a secret code (sequence of 4 digits from 1 to 6). Your goal is to find that code. Black circles indicate the number of hits on the right spot. White circles indicate the number of hits on the wrong spot.

Correct answers: 25

The first user who solved this task is Nasrin 24 T.

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Before the internet ...

What did our parents do to kill boredom before the internet?

I asked my 26 brothers and sisters and they didn't know either

Author:DwightKSchnute

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Carl Wagner

Died 10 Dec 1977 at age 76 (born 25 May 1901).German physical chemist and metallurgist who has been called “the Father Sold-State Chemistry.” He pioneered in making chemical metallurgy an exact science, giving his attention to a wide ranging field, including oxidation rate theory, corrosion, catalysis, photochemistry, batteries, fuel cells, semiconductors and crystal defects. In the late 1920s, with Walter Schottky, he coauthored papers bringing order to the field of defect structures in solid-state materials. Wagner's contribution to them focussed on the result of lattice defects in the atomic structures of oxides and sulphides. He is remembered as one of the greats in physical chemistry, and remains notable for the number of new concepts he originated which subsequently expanded into significant scientific and technical disciplines.«

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