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MATH PUZZLE: Can you replace...

MATH PUZZLE: Can you replace the question mark with a number?

Correct answers: 73

The first user who solved this task is Djordje Timotijevic.

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People make time for who they want to

People make time for who they want to make time for. People text, call and reply to people they want to talk to. Never believe anyone who says they’re too busy. If they wanted to be around you, they would. ~ Author Unknown

Source: SimpleRemiders

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Zygmunt Florenty von Wroblewski

Born 28 Oct 1845; died 19 Apr 1888 at age 42.Polish physicist who liquefied the “permanent gases” such as nitrogen and carbon monoxide in larger quantities than previously accomplished by Cailletet, whose method he improved. In 1883, he achieved the static liquefaction of oxygen and air. He was the first to liquify hydrogen. Although he achieved it only in a transient fine mist, he published (1885) remarkably accurate data: critical temperature 33 K, critical pressure, 13.3 atm and boiling point, 23 K (modern values 33.3 K, 12.8 atm, 20.3 K). He may also have had a hint of strange electrical properties at very low temperatures, but his research was cut short upon his accidental death. Wroblewski died as a result of burns in a fire started when he overturned a kerosene lamp in his laboratory.*

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