The flatness and levelness of concrete floors has become a big deal. If you've ever sat at a restaurant table that rocked up and down, slopping wine out of your glass and causing you to launch a ...

Since it was introduced in the 1970s, F-numbers have proven to be useful in measuring and improving concrete floor flatness and levelness. With modern finishing equipment, achieving overall floor ...

Jonas Wood richly entangles art and life. The U.S. painter’s eponymous new exhibition at Gagosian (Grosvenor Hill, London, until November 23) is littered with references to his family, Los Angeles ...

When you want to measure the length, breadth, or depth of an object, there are plenty of instruments for the job. You can start with a tape measure, move up to calipers if you need more precision, or ...

Chucks are used in various areas of the semiconductor industry: in lithographic processes, inspection steps, coating, 3D integration, wafer handling and during etching processes. Their purpose is to ...

A Lou Mitchell’s pancake. A pool table at Chris’s Billiards. A thin-crust pizza from Vito & Nick’s. Each evokes one of Chicago’s overwhelmingly obvious physical features: flatness. Geologically ...

When Jerry Dobson moved to Kansas in 2001, he was bombarded with questions and quips about the "flatness" of his new state. He had spent his life in the mountains of Georgia and Tennessee, so he had ...

In a survey conducted by the American Geographical Society, almost a third of all respondents said that Kansas was the flattest state. Some people even call it “flatter than a pancake.” But what does ...