It was Brachman's invention the Blissymbol Printer that made it simpler for non-verbal people, such as those with severe physical disabilities like cerebral palsy, to communicate.
[8] Her "Blissymbol Printer" is catered to those with severe physical disabilities, such as cerebral palsy, as it provides a facile method of communication.
When the user chooses a symbol, the Blissymbol Printer converts the image to written English or French; allowing his or her thoughts to be transcribed effectively.
From 2003-2025, she worked as an education and public outreach specialist with the Jet Propulsion Laboratory in Pasadena, California on projects such as Earth and exoplanet citizen science and international essay contests about moons of the outer solar system for students in fifth to twelfth grade.
She also worked for NASA Ames Research Center, focusing on combining space exploration innovations with assistive technology development for people who have disabilities.
Many of her works have been published in The Planetary Report, the Journal of the National Space Society, and the NASA's Ames Research Center Astrogram.
More recently, she has worked on public engagement for the Radioisotope Power Systems program and the Cassini-Huygens mission to Saturn and Titan.
[3] Since 2003, Zimmerman has been employed as Solar System and Technology Education and Public Outreach Specialist at NASA's Jet Propulsion Laboratory.
Her work has been published in the Planetary Report, the Journal of the National Space Society and NASA's Ames Research Center Astrogram.
[11] Zimmerman has worked on Radioisotope Power System Public Engagement as well as formal education for the Cassini-Huygens Mission to Saturn and Titan.