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Aug 04

The Gini Mean Difference

Everyone learns the mean. Some make it to the variance. A few even get standard deviation tattooed on their soul. But almost no one meets the Gini mean difference....

Jul 30

How Local Zoning Appeals Influence Development

Development doesn’t happen in a vacuum. At every step, local planning commissions, zoning boards and courts regulate what can be built, where, and how quickly. These systems are designed to...

Jul 22

No, the Sun Should Not Have Burned Out

Someone recently wrote, β€œIf it was billions of years old, the sun should have burned out long ago.”” It was offered in support of a creationist argument, though without...

Jun 03

The Railroad Was There All Along

Harry Lee Williams was born in August 1885 in Honey Creek Township, White County, Indiana. The son of Thornton Robert Williams and Ida May Adams, Harry was raised in...

May 28

A New Tartan

There is a special joy in designing something new that still feels old. A coat of arms has this property: rooted in tradition, yet reinterpreted through the choices of its...

May 26

The Electoral College was Designed to Disenfranchise

Every four years, Americans are reminded that they do not elect the president directly. They vote for electors, members of something called the Electoral College, who cast the real...

May 15

How to Design a Tartan

Tartans carry the weight of tradition. They are imagined as ancient patterns, clan-bound, Highland-tested, and restricted to those who can trace their ancestry back to some moor or glen. The...

May 12

Seventy-Three Cents of Civilization

The United States Postal Service is one of the most quietly extraordinary systems in modern life. It is not magical or divine. It works because hundreds of thousands of...

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Russia's war against πŸ‡ΊπŸ‡¦ Ukraine is real and raw. Our hearts are with those who suffer.