The first sounds from Mars—recorded by a musician and NASA | Jason Achilles | TEDxManhattanBeach

Key Concepts

• Perseverance Rover: NASA’s Mars rover that successfully landed in February 2021, equipped with microphones to capture Martian audio.
• Sky Crane: The landing system used for the Perseverance rover, involving high-energy thrusters.
• ExoCam: A proposed technology for a remotely ejectable camera designed to capture first-person perspectives of rockets landing on extraterrestrial surfaces.
• Imposter Syndrome: The psychological phenomenon where individuals doubt their skills or accomplishments, often feeling like a "fraud" despite evidence of success.
• Commercial Off-the-Shelf (COTS) Components: Standard, mass-produced hardware used in space missions, which proved surprisingly durable in the harsh Martian environment.

1. The Journey to Mars Audio

The speaker, a musician with no formal scientific training, became an unlikely consultant for NASA’s Jet Propulsion Laboratory (JPL). His goal was to capture the first-ever audio from the surface of Mars.

• The Crisis: Upon the landing of the Perseverance rover on February 18, 2021, the initial data received from the microphone was "digital black"—six and a half minutes of unrecoverable binary data.
• The Breakthrough: Under the guidance of supervisor Dave Gruel, the team performed a "reboot" of the system. This resulted in the successful capture of 17 seconds of Martian wind, a historic milestone in space exploration.
• Longevity: Contrary to expectations for a COTS component, the microphone has recorded over 26 hours of audio on Mars, including the distinct sounds of the rover’s wheels traversing the Martian surface.

2. Methodology: Bridging the Gap Between Music and Science

The speaker’s path into the aerospace industry was unconventional, relying on networking and persistence rather than traditional academic credentials.

• Networking Strategy: The speaker attended space conferences in the Los Angeles area. He overcame his "imposter" feelings by embracing his identity as a musician rather than hiding it. This transparency served as a "ticket in," allowing him to connect with engineers who shared his passion for music.
• Relationship Building: By fostering a casual, long-term friendship with a JPL rover driver named Joseph, the speaker was able to share creative ideas, one of which—capturing the sound of the landing—eventually aligned with NASA’s own internal objectives.
• Consultancy: Through persistence and a well-drafted proposal, he secured a contract as an independent consultant to assist in the design, operations, and testing of the Perseverance microphone.

3. Key Arguments and Perspectives

• The Value of "Outsider" Perspectives: The speaker argues that being an outsider is not a barrier but a unique advantage. His background in music provided a fresh perspective on how to utilize space hardware.
• The Power of Inspiration: The speaker emphasizes the role of educators in shaping life trajectories. He highlights his own kindergarten teacher, Greg North, whose use of a solar system model sparked a lifelong passion for space.
• Embracing Fear: The speaker posits that feeling "scared" when approaching a new, ambitious idea is a positive indicator. He suggests that fear often accompanies work that is truly worthwhile and potentially groundbreaking.
• Persistence: He notes that while the word "no" is heard frequently, it is insignificant compared to the impact of a single "yes."

4. Notable Quotes

• "I instantly realized that what I thought was keeping me out of this whole world... was actually my ticket in."
• "It's good to be scared. It's good to get excited because it means you're almost certainly doing something that's worthwhile."
• "To all you teachers out there: If you're ever wondering if you made an impact, just give it a couple decades."

5. Real-World Applications and Future Projects

• ExoCam: Building on his experience with the Perseverance microphone, the speaker is developing the ExoCam. He has secured nearly $1 million in NASA grant funding to create a system that provides a "remote first-person perspective" of rocket landings on the Moon and Mars.
• Collaborative Sound Design: The speaker continues to collaborate with industry professionals, such as Ben Burtt (sound designer for Star Wars), to record rocket launches (e.g., the Delta IV Heavy) simply for the sake of exploration and passion.

Synthesis and Conclusion

The speaker’s journey illustrates that professional boundaries are often more porous than they appear. By combining his lifelong passion for music with a self-taught interest in space, he successfully contributed to a historic NASA mission. The core takeaway is that curiosity, combined with the courage to be an "imposter" and the persistence to seek out opportunities, can lead to significant scientific contributions. His work serves as a reminder that inspiration—whether from a teacher or a sound recording—can fundamentally alter the trajectory of a person's life.