If you enjoyed Avatar back in 2009 or Spy Kids 3-D: Game Over as a child, you can probably thank Valerie Thomas for those experiences. She was the NASA scientist who made 3D movies possible. Thomas observed her father working on the television as a child. Her interest in STEM was first sparked when she saw the mechanical parts inside the TV. Then, at the age of eight, she read The Boy's First Book on Electronics. Despite her father's own interest in electronics, he refused to help his daughter with the projects in the book. In 1976, Thomas attended a scientific seminar where she chanced upon an exhibit that demonstrated an illusion using a light bulb. Using concave mirrors, the exhibit fooled the viewer into believing that a light bulb was glowing even after it had been unscrewed from its socket. This inspired the scientist, who began experimenting with flat and concave mirrors. While the former would have a reflection on a certain object that would seem to be behind the glass, the...