On July 14th, 1868, 151 years ago today, Alvin Fellows, of New Haven, Connecticut, patented his "new and useful improvement in spring measuring tapes." Though not the first, Fellows' design is widely ...

If you know your U.S. history, there have been several attempts to adopt the metric system, all to no avail. It's the universal standard for most of the world and way more intuitive, yet the chances ...

You've no doubt encountered a number of measuring tools in your lifetime. Common tools used for measuring range from the familiar 12-inch wooden ruler that we used in grade school to precision ...