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[Adapt or Design: Navigating Life and Work with One-Handed Assistive Technology]-[Adapt or Design]

99% Invisible · B2 · 2025-06-03

Technology
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📋 Summary

Adapt or Design: A Journey into Assistive Technology

In a recent episode of 99% Invisible, host Roman Mars interviews the show’s digital director, Kurt Kolstad, about his life-altering experience following a severe neuro-cardiac event. The incident left Kolstad with a paralyzed right arm, forcing him to confront a world designed exclusively for two-handed users. This transition from injury to permanent disability sparked a series of personal experiments in assistive design, which Kolstad documents in his article series, Adapt or Design.

The Reality of One-Handed Navigation

Upon leaving the hospital, Kolstad realized that the "two-handedness of the world" was a major barrier to daily life. Simple tasks, such as accessing his phone in his right pocket or tying shoelaces, became complex challenges. To solve these, he utilized creative adaptations:

  • Pocket Management: With limited reach, Kolstad offloaded items from his right pocket, using retractable keycard readers for his wallet and a side-mounted holster for his phone.
  • Footwear Innovation: Faced with the inability to tie laces, Kolstad initially used "lock laces" but found the plastic tips "uncanny" and "loud." He eventually DIY-ed a solution using heat-shrink thermoplastic tubing applied with a lighter. Later, he discovered "hands-free shoes" that utilize a rubber band mechanism to lock the shoe, which he praised for their "honesty and clarity of design."
  • Magnetic Buckles: Kolstad identified standard plastic buckles as the "bane of his existence." By replacing them with magnetic buckles, he achieved a "master stroke" in design, where a simple click creates a strong, one-handed connection.

The Challenge of Writing

As a design journalist, Kolstad’s greatest professional obstacle was the inability to type. While speech-to-text tools were useful for texting, his need to be a refined, non-verbose writer made them insufficient. He spent months researching specialized one-handed keyboards, utilizing an "adaptive tech library" to test expensive hardware:

  • The Maltron: A vintage, sculptural keyboard with a concave bowl. While ergonomic, Kolstad found that having half the keys on flat surfaces outside the bowl caused excessive hand movement.
  • The Tippy: A pie-shaped board that minimized wrist movement but required a "steep learning curve" due to a completely new layout and specialized key functions.
  • The Half-QWERTY: Kolstad’s favorite of the bunch, which mirrors the left side of a standard keyboard. It taps into "muscle memory," allowing users to type by treating the keyboard like a reflected book. However, the complexity of accessing punctuation and secondary functions without a safety net proved difficult.

The "Kerty" Solution

The breakthrough came when Kolstad realized he could program his existing two-handed keyboard to mimic the functionality of a half-QWERTY keyboard. By creating software-based "layers" and a "punctuation layer," he developed a system—which he jokingly calls the "Kerty"—that allows him to use his keyboard as a mirrored one-handed interface while retaining standard functionality. This solution is free, software-based, and accessible to anyone.

Conclusion

One year post-injury, Kolstad describes his recovery as reaching a "claw game phase," where he is regaining some functionality but still struggles with fine motor skills. His journey highlights the importance of inclusive design and the power of individual adaptation. Through his Adapt or Design series, Kolstad aims to help others "leapfrog" the challenges he faced, proving that with the right design mindset, one can navigate even the most rigid, two-handed environments.

🎯Key Sentences

1
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3
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4
reality hits like a brick.
5
everything that I could, I moved somewhere else, keeping it sort of readily accessible, but out of the way at the same time.
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📝Key Phrases

1
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speak into the void
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fill in the blanks
4
reality hits like a brick
5
off the shelf
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📖 Transcript

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