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Chess Knight Move

Find the country and its capital city, using the move of a chess knight. First letter is B. Length of words in solution: 6,8.

Correct answers: 54

The first user who solved this task is Sanja Šabović.

#brainteasers #wordpuzzles #chessknightmove

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Paying attention to those talking to you

Putting your phone away and paying attention to those talking to you. There is an app for that- It's called respect.

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Portrait camera

In 1841, Austrian inventor Friedrich Voigtländer began selling the world's first purpose-built portrait camera. Since a person wanting a portrait would have to hold a pose for the time required for a successful exposure, it was critically important to be able to do that in the shortest time—which depends on the lens. Voigtländer incorporated a rapid double-combination lens designed according to the calculations of Viennese mathematician Josef Max Petzval. What used to take 20-30 minutes could now be done in two. The brass-bodied camera was shaped somewhat like a Lava Lamp bottle on its side. It made circular daguerreotypes about 3½-in (9cm) diam. The Voigtländer family business was started by his father in Vienna in 1756, making scientific instruments.«

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