Are you a history buff? Want to know what some African-Americans have made to improve our lifestyle? You're lucky. You are about to learn how some African-Americans have made a significant contribution to society with their inventions.
You can enjoy the purchase and use, radios, computers and television at an affordable price? You can thank Otis Boykin, because it has an electrical resistance for computers, radio and television, which helped developbring a reduced cost for these items.
Have you ever wondered how we function without bulbs? We know that Thomas Edison invented the light bulb, but Lewis Howard Latimer invented the filament that is inside the bulb.
If you have a lawnmower, the grass is clean? If yes, thank Norman Bucknor to improve the rotating blade to the mower.
Are you happy that we have a good medical technology? George Edward Alcorn invented the X-ray spectrometer
Youlike the convenience of being able to bring a folding chair to have? Nathaniel Alexander owes its name to improve the folding chair.
Do you have a fireplace that is safe to use and prevents the fire from the inside out of control? Thanks, Virgie Ammons for the invention of a fireplace damper.
After the railway sector has started, people have risked their lives and safety of vehicles coupled together. In fact, Andrew Jackson Beard has lost one of its legs put together carsbefore he invented the Jenny Coupler, a device that hooks railroad cars together.
Disabled people now have an easier time eating. Bessie Blount invented an electrical device to be worn around the neck that lets a tube feed a disabled person.
Do you have a good surveillance system at home? Thank Marie Brown for creating a video home surveillance security system.
Are you using heat in your home? David Crosthwait patented many heating systems and temperature-regulating devices.
Why do we have a system that helps people needing fresh blood? Charles Drew created the blood bank, a system that stores blood plasma.
Have you noticed that computers are faster now? In 1989, Philip Emeagwali created fast supercomputer software.
Like eating safe food? Lloyd Augustus created preserves for meats and other foods.
Do you use a machine to beat eggs? Thank Willis Johnson for making an improved mechanical egg beater.
Why is it safe to transport perishable foods for long distances? Frederick Jones invented an automatic refrigeration system for long-haul trucks.
Isn't it great we have good ways to put out fires? Percy Lavon Julian invented fire extinguishing equipment.
Do you like being warned about oncoming trains? Thank Thomas Stewart for inventing a railroad crossing indicator.
What did Doctor Daniel Hale Williams do? He paved the way for successful open heart surgery.
How would we use a fire escape without a ladder for it? Joseph Winters created the fire escape ladder.
Do you like your vehicle travel to be safe? Granville Woods improved electric railways and air brakes.
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