The Right Stuff

Episode Summary

Executive Summary: Radiolab explores AstroAccess, a project testing whether disabled people can be astronauts by taking blind, deaf, wheelchair-using, and prosthetic-limb ambassadors on parabolic “zero-G” flights. The piece follows writer Andrew Leland and disability scholar Sherry Wells Jensen as they argue space is itself a disabling environment, and that disabled people may bring valuable skills to spaceflight—while also exposing the persistent gap between expanded possibility and unchanged societal expectations on Earth.

Main Topics: AstroAccess and the Long Beach zero-G flight: Andrew Leland reports from a parabolic flight in Long Beach where disabled ambassadors are tested in simulated microgravity to see what accessibility challenges and strengths emerge. Sherry Wells Jensen’s path from blindness to astrolinguistics: Sherry describes growing up blind, finding freedom in the dark, becoming a linguist, and later questioning the assumption that intelligence and astronomy require vision. Space as a disabling environment: The episode argues that space removes many Earth-based supports—gravity, orientation, predictable movement—making it an environment where disabled people may already have useful adaptive skills. Practical accessibility questions in zero gravity: The team tests whether blind, deaf, and mobility-disabled people can orient, communicate, and move safely in microgravity, including sound cues, seat return, and prosthetic use. Joy, identity, and the “gap” between ability and treatment: The flight creates real joy and a sense of possibility, but Sherry and Andrew note that everyday ableist assumptions on Earth remain unchanged, widening the gap between what disabled people can do and how they are treated. The future of space travel and inclusion: The episode frames disability inclusion as a design question for humanity’s future off-planet civilization, not merely a symbolic inclusion effort.

Key Arguments: Disabled people should not be treated as inherently unfit for space; disability can confer useful skills like navigating unpredictability, working without sight, and communicating in nonvisual ways. Space is inherently hostile and functionally disabling, so disabled people are not uniquely disqualified by adapting to conditions everyone must adapt to. Accessibility in space should be designed from the start, because commercial and governmental spaceflight is still early enough to set inclusive norms. The parabolic flight showed that disabled participants could manage microgravity tasks, suggesting they can be viable astronaut candidates. However, proof of capability does not automatically change ableist behavior; social expectations on Earth may remain unchanged even after demonstrable success. Joyful experiences of altered ability are valid, but they should not be used to devalue a disabled person’s ordinary life or imply cure is the only worthwhile outcome.

Data Points: Total ambassadors on the flight: 12 - Disabled participants aboard the AstroAccess parabolic flight Deaf ambassadors: 2 - Among the 12 ambassadors participating Ambassadors with mobility disabilities: 6 - Included wheelchair users and people with prosthetics Blind ambassadors: 4 - Participants testing orientation and communication in zero gravity Microgravity window per parabola: 20–30 seconds - Estimated weightless period during each parabolic arc Target altitude: 32,000 feet - Plane cuts thrust and levels out to create weightlessness Fire on Mir example response time: 14 minutes - Used as an example of how valuable blindness-related orientation skills could be in emergencies Flight performance result: 70–90% - Ambassadors successfully returned to their mat/station after leaving it in zero-G Space treadmill exercise time: 2.5 hours per day - Astronauts currently spend significant time exercising to prevent muscle and bone loss Flight count: 15 parabolas - The plane repeated the zero-G simulation multiple times, including Moon and Mars gravity profiles

Pivotal Quotes: "What does disability mean? And how does the world look at disability? And how does that view need to change?" — Andrew Leland: The central question motivating his reporting on AstroAccess and blindness "The smart first move is to take a zero-G flight. And then we're gonna be on the path towards something, toward making big change." — Sherry Wells Jensen: Sherry explains why testing disabled people in simulated microgravity is a practical starting point "What we've done is widen the gap between what's possible and what's expected." — Sherry Wells Jensen: Her reaction to realizing the flight expanded perceived capability without changing everyday ableist treatment

Implications: The episode suggests spaceflight should be designed for broader human diversity from the outset. If inclusion is built into astronaut selection and spacecraft design now, future space programs may be safer, smarter, and more equitable.