are you sure they are internal? https://ieeexplore.ieee.org/document/9366412 https://ieeexplore.ieee.org/document/9366412 https://news.ycombinator.com/item?id=4

are you sure they are internal? https://ieeexplore.ieee.org/document/9366412 https://ieeexplore.ieee.org/document/9366412 https://news.ycombinator.com/item?id=45957619 https://news.ycombinator.com/item?id=45957619