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Windshield wipers. Car heaters. Turn alerts.
What do all these have in widespread?
In honor of National Women’s Month, let’s take a second to acknowledge a few of the unbelievable improvements created by gifted ladies all through historical past. We might take these improvements as a right, however they affect our automobiles and our world in vital methods.
Let’s dig in!
The Humble Windshield Wiper
The windshield wiper is an ideal instance of an invention folks use each single day, but hardly ever think about the way it grew to become a typical (and important) automotive characteristic.
Picture this…
The yr was 1903. It was a frigid, snowy day in New York City. Mary Anderson observed that streetcar operators needed to open a window to see via the snow that had collected on the entrance window. Some operators even stopped the streetcar to get out and clear their windshields by hand.
Mary had an concept she rapidly patented: a lever contained in the automobile that controls a spring-loaded arm with a rubber blade on the finish. The lever, which had a counterweight to maintain the wiper involved with the window, may transfer the blade throughout the windshield, eradicating rain or snow.
The windshield wiper was ultimately tailored for automotive use. In 1922, Cadillac started putting in windshield wipers as commonplace tools on its vehicles.
So, subsequent time you’re taking a drive via the rain or snow, thank Mary Anderson to your clear view of the street.
Turn Indicators and Stop Signals
While many individuals doubtless assume that innovation happens solely in a lab or by an engineering workforce, that assumption is way from the reality.
Florence Lawrence, one of many authentic Hollywood film stars, got here up with a big innovation: The flip sign.
She was recognized on the time for her many quick movies often called “one-reelers,” usually shot in per week. In the early days of Hollywood, many actors and actresses didn’t obtain credit score for his or her work as they do at the moment, but Florence’s face was recognizable, so she grew to become often called “The Biograph Girl” (named after the movie studio the place she was on wage).
In these early days of automotive, vehicles have been fairly costly for many customers. Fortunately (for all of us), Florence had each an curiosity and the means to be an early fanatic.
Her first accent innovation was the “auto signaling arm.” Despite being the primary of its type, this characteristic was curiously just like trendy flip alerts, with the motive force working buttons on the sprint which raised and lowered arms on the rear fender of the automobile.
The secondary part was a cease signal on the rear of the automobile, activated by urgent the brake and elevating an indication to inform different drivers of her intention.
It’s outstanding how these easy improvements are nonetheless included in at the moment’s automobiles. Though the expertise has superior, the fundamental concept is similar: Signal your intent to different drivers and cut back the prospect for accidents. Thanks, Florence Lawrence! Now, if we may solely remedy the difficulty of drivers who fail to sign.
The Car Heater
For this innovation, we should return to 1893.
Margaret A. Wilcox, born in 1838 in Chicago, was a mechanical engineer in an period when only a few ladies held such a place. She was an avid inventor, creating a number of residence equipment options. Her most important concept, nevertheless, was not associated to vehicles in any respect, at the very least on the time.
In Chicago, winter climate can topic railcar staff to dangerously frigid temperatures. Margaret had an concept to repair this drawback.
After tinkering with the concept of harnessing warmth from the locomotive’s engine and routing it to the prepare vehicles, she efficiently filed U.S. patent quantity 509,415, the “automobile heater” on November 28, 1893.
Her patent wouldn’t discover business success as a result of lack of temperature management, which induced railcars to overheat. However, her improvements impressed related heating options for vehicles. Automotive engineers adopted Wilcox’s designs in 1917 for Jordan Automobiles of Cleveland, and in 1929, Ford launched the primary factory-installed heater in its Model A.
Thank Margaret A. Wilcox the subsequent time you’re feeling snug and comfortable behind the wheel whereas throughout is white with snow.
The Transparent Invention
Katharine Burr Blodgett was a prolific physicist and inventor. She had many notable achievements, together with turning into the primary girl to obtain a doctorate in physics from the University of Cambridge in 1926.
She was carefully concerned with General Electric (GE) all through her life, and her father even served as a patent lawyer for the corporate. After her commencement from school, she returned to the corporate as a analysis scientist, the place she partnered with Irving Langmuir (a Nobel laureate and National Inventors Hall of Fame® Inductee).
Her work constructed upon Langmuir’s discoveries, creating multilayer anti-reflective coatings on glass, and thus, Blodgett efficiently produced the world’s first fully clear glass, or “invisible glass.”
This invention was key to the glass utilized in automotive purposes, equivalent to windshields and home windows, amongst many others.
The Langmuir-Blodgett method was patented in 1938 (U.S. Patent No. 2,220,860) and has primarily remained unchanged since Blodgett’s discovery.
While Kathryn Burr Blodgett’s innovation might have been clear, we are able to clearly see the affect of her achievements.
Movie Star… and Inventive Genius
Wi-Fi, GPS, Bluetooth… these are all applied sciences that, within the Nineteen Forties, would doubtless have been thought of science fiction, but we use them day by day in trendy automobiles.
What I discover much more unbelievable is that the expertise that made these improvements doable, frequency-hopping unfold spectrum (FHSS), was invented and patented by Hedy Lamarr, the well-known film star.
Her life (which may very well be a whole film in its personal proper) was marked by perseverance, cultural struggles, and business success. However, a few of her most notable and lasting work was executed in her free time between shoots.
Lamarr’s first marriage was with Friedrich Mandl, a distinguished arms supplier. At the time, within the late Nineteen Thirties, she attended an arms deal and found that the Navy desired a steerage system for torpedoes that would not be jammed by enemies. Working with composer and pianist George Antheil, she created a design for an FHSS system harking back to a piano roll. Lamarr submitted the concept to the National Inventors Council (NIC) in late December 1940.
On June 10, 1941, she efficiently filed the design as U.S. patent 2,292,387, also called “Secret Communication System.” Lamarr granted the Navy free use of the patent, however they declined to make use of the expertise on the time, claiming it was too massive for the supposed software.
FHSS expertise is prevalent at the moment, with many wi-fi techniques leveraging Lamarr’s innovation.
While Hedy Lamarr’s filmography will not be acquainted to trendy audiences, her work on FHSS expertise impacts many wi-fi techniques at the moment. It’s tough to think about at the moment’s automotive panorama with wi-fi connections, for which we are able to thank Hedy Lamarr.
A History of Innovation
While my listing could also be quick, a whole bunch of hundreds of ladies all through historical past have contributed their lives to advancing the expertise utilized in automobiles worldwide.
Without these essential ladies, the world and its vehicles can be very completely different.
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