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Comment by Ductapemaster | Hacker News Reader

A former colleague of mine works at Humane as an engineer, and the laser tech is apparently closely guarded. They were reluctant to even give a demo when we ran into each other, stating that the laser tech was particularly sensitive topic. I got the sense it was very custom.

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...stating that the laser tech was particularly sensitive topic.

Perhaps it's my jaded view seasoned by the observation of decades of tech bullshit, but that could go one of two ways:

1. The laser tech is full of trade secrets that we dare not reveal just yet.

2. We don't want anyone to find out that we bought these laser things off AliExpress.

(Or maybe it's tech you could buy off Amazon ten years ago, who knows? https://www.amazon.com/Brookstone-FBA_mp-796246-Projection-V...)

I wanted to replicate many parts of the Ai pin and did research into laser projectors. It’s probably a MEMs projector. The cyan color they use is custom, at least. Minifying that tech and making it robust enough to be knocked around on a wearable device is pretty challenging and I couldn’t find anything of a similar size off the shelf. They also run pretty hot and apparently the pin has heat issues (and according to folks at CES (?) using the laser a lot makes it over heat.

You know who eles secretly guarded demos of magical display tech that turned out to be garbage? https://en.wikipedia.org/wiki/Magic_Leap

The tech used for investors was different to what ended up in the product. There are some videos of Oculus/Meta VR labs that show what a room filled with mirrors, lasers and cameras can demonstrate.

Also the RED Hydrogen One if anyone remembers that

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