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 ...

The planets of the solar system all orbit the Sun more-or-less in a plane. Compared to the Earth's orbit, which defines the plane at zero degrees, the orbit with the largest angle is Mercury's whose ...

When floor flatness and levelness are measured using F-number technology, timing of measurements is critical because curling of slabs on ground increase with time. The result is decreased F-numbers ...

The world's first catalog of flat band materials could reduce the serendipity in the search for new materials with exotic quantum properties, such as magnetism and superconductivity, with applications ...

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 ...