
Marjorie Joyner (née Stewart)
Marjorie Joyner was the first African American woman to create and patent a permanent hair-wave machine. She was highly visible in the African American community in Chicago, once serving as
Marjorie Joyner was the first African American woman to create and patent a permanent hair-wave machine. She was highly visible in the African American community in Chicago, once serving as
Garrett Augustus Morgan Sr.’s most notable inventions were a three-way traffic light and a protective smoke hood notably used in a 1916 tunnel construction disaster rescue.
Lewis Latimer’s many inventions included an evaporative air conditioner, an improved process for manufacturing carbon filaments for light bulbs, and an improved toilet system for railroad cars.
STEM detectives—can you figure out what’s causing the mystery cracks in the wall of an old house?
A classic whodunit story with a biological twist—what caused this once thriving wetland area to die? Use your science knowledge to crack the case!
A rouge rubber ducky has been found on the Alaska coastline! Use science and logic to deduce the story behind this floatee foul!
Our hedgehog friends are disappearing! Can you use your use your STEM knowledge to determine why?
In 1966, Brown invented a video home security system. Her idea, which has expanded beyond just security for homes, has influenced security systems in businesses around the world.
McCoy is most well-known for inventing an automatic lubricator for oiling the steam engines of locomotives and ships, which was patented in 1872 as “Improvement in Lubricators for Steam-Engines”. His