Fill in the numbers in each empty box, so that product of each 3 adjacent digits is always 30
[607] Fill in the numbers in each empty box, so that product of each 3 adjacent digits is always 30 - Fill in the numbers in each empty box, so that product of each 3 adjacent digits is always 30. Write solution as one multi-digit number. - #brainteasers #math - Correct Answers: 64 - The first user who solved this task is Djordje Timotijevic
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Fill in the numbers in each empty box, so that product of each 3 adjacent digits is always 30

Fill in the numbers in each empty box, so that product of each 3 adjacent digits is always 30. Write solution as one multi-digit number.
Correct answers: 64
The first user who solved this task is Djordje Timotijevic.
#brainteasers #math
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Breakthrough?

Millions of years ago, there was no such thing as the wheel. The only way to move things was by carrying or dragging. One day, some primitive guys were watching their wives drag a dead mastodon to the food preparation area. It was exhausting work. The guys were getting tired just WATCHING.
Then they noticed some large, smooth, rounded boulders and they had an idea. They could sit on the boulders and watch! This was the first in a series of breakthroughs that ultimately led to television.
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Cool-stored blood transfusion

In 1916, blood that had been stored and cooled was used for the first time in a blood transfusion performed by the R.A.M.C. The procedure was very successful. Blood transfusions had been made previously, but this demonstrated the value of cooling to store blood. Until 1913, direct transfusion was the only technique practiced, despite being a difficult and time-consuming method, requiring trained personnel and was impractical for as a procedure in sudden emergencies. In the last two years of World War I, British surgeons benefitted from knowledge derived in the U.S. Use of blood collected and stored in advance of the need as casualties arrived facilitated transfusions as needed.[Image: blood transfusion was a mature procedure to treat casualties in World War II]
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