Marley Xiong

These are my favorite colors. My favorite time of day is balmy twilight.

My favorite physical phenomenon is dispersion. Rarely is the true nature of light apparent in our domain; that it is physical, that it is married to oscillations.

I feel a lot of things about neurotech, and often intense yearning. Anyone who takes their life seriously should consider what's missing from the human experience.

1. The human brain is powerful and flexible.
   Individual differences are all noise in light of our astounding biological ability to learn. We can learn to play the oboe, a fantastically obscure map between glottal motions and sound output. We can learn echolocation. By streaming neural outputs to a screen, humans could learn to increase firing of a single, arbitrarily chosen neuron.
   The adaptability of the brain is rarely exploited by our interfaces.
2. We haven't nearly reached the boundary of neurotechnologies permitted by physics.
   With kHz-switching micromirrors, we can adaptively beamform light to focus it through the skull. If we can measure the arrival times of photons through the head, we can construct a map of neural activity. The electronics for sub-nanosecond measurements are available in iPhones and can be made for $7 a pop.
   These are engineering challenges: difficult, but physical nonetheless. And while engineering marches ever forward, AI is lowering the bar for what can be made into powerful neurotechnology.
3. Increasing communication between people is one of the most beautiful things you could do.

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