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Today’s Black American inventor is Dr. Jane Hinton.
Dr. Jane Hinton, alongside Dr. John Howard Mueller, co-developed Mueller-Hinton agar in 1941.
Mueller-Hinton agar became — and remains — the gold standard medium worldwide for antibiotic susceptibility testing. When doctors determine which antibiotic will effectively treat a bacterial infection, clinical laboratories commonly use this medium to test whether bacteria are resistant or susceptible to specific drugs.
In other words, when you are prescribed an antibiotic, the decision is often guided by testing performed on Mueller-Hinton agar.
Dr. Hinton’s work continues to shape modern medicine and helps prevent the spread of antibiotic-resistant infections — yet her name is rarely mentioned outside scientific circles.
Let’s change that.
#BlackHistoryMonth

#BlackHistory 24/7. Time to #LearnYourself something people. 👊🏾 #itsBHM and y'all should always know your #BHM facts.
Today's Black American (Freedmen) inventor is Frederick McKinley Jones. Frederick McKinley Jones invented a refrigeration unit for trucks. It was soon installed in ships, planes, and trains. It allowed food to be transported all over without spoiling. Today's supermarkets would not exist without his invention. It allowed for the transport of other items as well, such as blood for blood banks and medicine.
#BlackHistoryMonth

Today's Black American (Freedmen) inventor is Elijah McCoy. McCoy was born in Canada to Black American (#Freedmen) parents who moved back to America when he was a child. Elijah McCoy invented an automatic lubricating device for trains. Prior to his invention, trains had to be stopped, and the engines had to be lubricated manually. This was time-consuming and unreliable. His automatic lubrication device made it so trains no longer had to stop for lubrication. This made travel much faster and more efficient.
His invention eventually spread to ships, drilling, and mining as this was the Second Industrial Revolution where mass production was extremely important. It was adopted all around the world. Today, automated lubrication is a feature in all engines from planes to cars, and it all started with Elijah McCoy's invention that did it first. #BlackHistoryMonth

Benin the great African Kingdom. Long before Europe were considered civilized. They were great civilization in Africa the Europeans arrive and destroy them.. welcome to European history.#whitehistorymonth .#Africa.#BlackHistoryMonth2025 .#BlackTwitter.
Today's Black American (Freedmen) inventor is Marian Croak. Marian Croak developed VOIP (Voice Over Internet Protocol that allowed people to speak to each other over the Internet. She is largely the reason we can speak to each other over FaceTime, Zoom, Twitter Spaces, and more. She also invented the text to donation capability. #BlackHistoryMonth

On the last day of #BlackHistoryMonth A Sally Hemings story. #ItsBHM
#TimeToLearnYourselfSomething! #BHM
Sally Hemings, the woman Thomas Jefferson enslaved.
She was called his "mistress," but how can you be a mistress when you were enslaved, a child, and could not consent? Had absolutely no choice?
A THREAD

Checkmate ♟️✅
GOOD MORNING #TWITTERx WORLD! 👊🏾 #xTWITTER
#iTsBHM: Let's #LearnYourselfSomething. 🤔
THIS is Richard Bowie Spikes (1878-1963)
African-American inventor. Holder of multiple U.S. patents.
#BHM

On this day in 1932, Richard Spikes patented the improved automatic gear shift and the automatic brake system and the turn signal for you all to Drive Safely!
-Richard Bowie Spikes was a prolific inventor with eight patents to his name, awarded between 1907 and 1946. Primarily interested in automobile mechanics, Spikes also sought to improve the operation of items as varied as barber chairs and trolley cars. Professionally, he worked as a mechanic, a saloon keeper, and a barber, occupations that likely influenced his many later inventions.
Born to Monroe and Medora Spikes on October 2, 1878, Spikes came from a large family of at least six siblings. His younger brother, Benjamin Franklin Spikes, known as “Reb,” would go on to become a well-known jazz musician. The 1880 census lists his birthplace as Texas, though in later years Spikes would report the location as actually being in Indian Territory (later the state of Oklahoma).
In 1900, Spikes married Lula B. Charlton. The couple had one son, born in 1902. During the early 1900s, the family moved often, living in Texas, New Mexico, and Arizona, before settling in California.
On April 9, 1907, while living in Bisbee, Arizona, Spikes patented a beer-tapper (U.S. Patent number 850,070). Connected to a keg, the tap used tubing to ease the release of beer from the barrel, while also improving freshness over time. This technology is still in use today.
Spikes’ next invention was for a self-locking rack for billiard cues. He received the patent on October 11, 1910 (U.S. Patent # 972,277), while living in Albuquerque, New Mexico. A decade later, on December 14, 1920, Spikes, now residing in Fort Bragg, California, successfully patented a “trolley pole arrester” (U.S. Patent 1,362,197). According to the patent application, Spikes’ device would automatically pull down the pole when the circuit is broken to prevent the breaking of the trolley wire and injury to the pole.”
Over the next forty years, Spikes would patent at least seven more items, including a break testing machine in 1921 (U.S. Patent number 1,441,383); a pantograph for conveying electrical current to trolleys’ wires in 1923 (U.S. Patent number 1,461,988); a combination milk bottle opener and cover in 1926 (U.S. Patent number 1,590,557); a device to obtain average samples and temperatures of tank liquids, for automobiles and industry in 1931 (U.S. Patent number 1,828,753); an improved gear shift transmission system in 1932 (U.S. Patent number 1,889,814); a horizontally swinging barber’s chair in 1950 (U.S. Patent number 2,517,936); and, finally, an automatic brake safety system in 1962 (U.S. Patent 3,015,522) at the age of 84.
Of all these innovations, the best-known are those related to automotive technology. Spikes’ gear shifting device aimed to keep the gears for various speeds in constant mesh, enhancing the turn-of-the-century invention of the automatic transmission. His automatic brake safety system was also significant; according to the patent application, it provided provide a reserve braking action in case of damage to the normal braking means and is still used in some buses as a fail-safe means of stopping the vehicle.
Spikes is also widely credited with patenting an automobile signaling system (turn signal) in the early 1910s, though a patent record has yet to be located at this time. The system was installed on a Pierce-Arrow motorcar.
Richard B. Spikes died on January 22, 1963 in Los Angeles, California at the age of 84.
🖊️As the only admin behind this page, I try to research to educate. If you appreciate this effort, you can support to help the page thrive on https://t.co/vf5SMSPu4z. Your support is deeply appreciated! Or just follow the page for articles.

#NowYouKnow: Dr Gladys West graduated with a BS in Mathematics and earned in Master's Degree in Mathematics from Virginia State. Gladys also holds a Master's of Public Administration from University of Oklahoma and a PhD in Public Administration from Virginia Tech. #ItsBHM #GPS
A Black American (#Freedmen) woman invented a laser device and technique to treat cataracts. Dr. Patricia Bath's LaserPhaco does all parts of removing cataracts with lasers. It has helped improve and restore vision to millions. It is now used worldwide. #BlackHistoryMonth

20-yrs ago author of #WithoutSanctuary James Allen discussed it on CSPAN. I think its safe to say the number of lynchings reported in AmeriKKK is a gross under count. Knowledge of these subhuman atrocities is reflected by the resistance to #CRT 🤨
https://t.co/Z2Ha28mKMI #itsBHM
@The_Real_Yay Yes. Well aware of "Without Sanctuary" book. My brother has a copy. I could not get thru half of it before I had to put it down. 😠
Have not picked it up since. #itsBHM
Eugenics indoctrination out in the open, in plain sight. 🤨
Black teachers not having it!! #itsBHM
♟️Planned Parenthood savages tryn hand out their filthy pamphlets to young Black school children!
A Black American (#Freedmen) man influenced game systems like the Playstation, X-Box, and Nintendo. Gerald (Jerry) Lawson invented the first game systems that allowed for interchangeable cartridges where you could take a game out and put in another. #BlackHistoryMonth

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