Virtual, augmented, mixed, and extended reality form a proverbial alphabet soup of near-eye display technologies, each offering varying degrees of immersion and unique optical challenges. Before these futuristic displays reach our eyes, they rely on decades of foundational semiconductor history, precision microdisplays, and rigorous optical engineering.

In this episode of Rays and Waves, Daniel and Steven sit down with Karl Guttag, a living legend in semiconductor design and the voice behind KGOnTech, the premier blog for near-eye technology analysis. Recognized as Texas Instruments’ youngest-ever TI Fellow, an inventor on over 150 U.S. patents, and a founder of multiple tech companies, Karl is widely known today as the "Truth-Teller of AR Displays."

Karl’s engineering fingerprints are all over computing history. We explore his remarkable hard pivot from building foundational graphics hardware to mastering optics and microdisplays, as well as his perspective as one of the industry's most rigorous and pragmatic watchdogs.

This conversation dives into the past, present, and future of near-eye tech, hardware engineering, and what it really takes to bring functional AR and VR displays to life.

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Music is Good Vibe by Twisterium. Thanks for the great tunes!