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Marie Van Brittan Brown

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  Marie Van Brittan Brown she was an African American nurse, who was concerned about the safety in her neighborhood, and she created the first home security system in 1966. Her innovative system included a camera, monitors and a microphone, allowing residents to see and communicate with visitor s without opening the door. This invention helped laid the foundation for modern home security systems, which have video surveillance and communication features. Marie Van Brittan Brown, a nurse she works unpredictable long hours. The neighborhood, she lives in had high crime rates that would leave her feeling vulnerable about her and her family's safety. In response to this, she took it upon herself to innovate home security system. After she created this system, it was groundbreaking. The system included a series of interconnected cameras, and able to communicate with others. Her invention enhanced her own safety but also gave others a peace of mind and to be able to feel secure within the...
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Garrett Morgan

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Garrett Morgan made numerous inventions that have significantly contributed to technology in society. In 1907. he and his wife opened a clothing shop, where he realized that the needle used in sewing becomes hot and scorched some fabrics. To resolve this problem, Morgan experimented with liquids and created a chemical solution to reduce friction. As he found this solution to straighten cloth fibers, but also could be used on hair, leading to his first invention a hair straightener. In early 1910, Morgan invented the safety hood, designed to help prevent smoke inhalation. The hood fits over someone's head and had a tube that extended down to ground level, where the air is cleaner. Additionally, in 1923, he invented the three-position traffic signal, which featured movable arms to direct traffic to stop or go from all directions. Garrett Morgan was the seventh of eleven children. By the age of fourteen, he lived in Cincinnati, Ohio, where he worked as a handyman while continuing his ...
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