2
votes
0answers
46 views

When was the first recorded use of hospital readmissions as a summary statistic?

When was the first recorded use, or the first recorded intention of use of hospital readmissions as a summary statistic? A hospital readmission (also called a rehospitalization) is defined as a ...
5
votes
2answers
335 views

How did the Egyptian engineers of the Third and Fourth Dynasty construct the Pyramids and Sphinx without modern science and mathematics? [closed]

What was the "state of the art" in engineering, science, and mathematics in Ancient Egypt when the Sphinx and the Giza Pyramids were built during the Third and Fourth Dynasties? How did they ...
12
votes
1answer
181 views

Was the State of Indiana's legislation changed to fix the value of Pi?

Is the following an anecdote? Mathematicians describe Pi as an irrational number, that is, a number that cannot be expressed as the ratio of any two integers. This was an irksome fact to the State ...