Once upon a time, many of the fuel gauges, speedometers and other mechanical instruments used in automobiles and other vehicles were made ion the North Side of Chicago by Stewart-Warner Corp.
Up until a few decades ago, instrument panels in most vehicles consisted of a smattering of simple analog buttons, dials, gauges, knobs and needles. Today, mechanical speedometers and tachometers have gone the way of bench seats, hood ornaments, hub caps and running boards.
America's newest national park recently opened on the South Side of Chicago. The Pullman National Monument celebrates the unique history of a company that mass-produced freight and passenger rail cars at the site from 1881 to 1981.
Additive manufacturing is a popular alternative to traditional plastic injection molding, metal casting and metal stamping, because it enables engineers to consolidate parts and produce components in complex shapes.
Today, gas stations are a ubiquitous part of the urban landscape. They are found at numerous intersections and off-ramps. But, once upon a time, service stations were few and far between. As a result, one of the biggest fears of early motorists was running out of gas while on a long-distance road trip.
The bicycle industry has emerged as one of the few beneficiaries of the coronavirus pandemic, as people search for ways to stay active, entertain children and commute to work. By some estimates, bicycle sales nationwide surged by 50 percent last year.
Needles are one of the most basic and least glamorous types of medical devices. But, every day, doctors and nurses rely on "sharps" to administer medicine, draw blood, conduct biopsies and perform many other vital medical procedures.