Thanks so much for your suggestions. As you say, visualizing weights may be really helpful, and I get many feedbacks for adding visualizing weights. I will try to add this feature in later version of TensorSpace. Temporarily, TensorSpace integrate TrackballControl which is an plugin for Three.js to handle "space exploration", and I will try to add more keyboard event for TensorSpace.

I have viewed your blog, and it is really fun. However, it is a pity that the online demo is outdated. Could you tell me what technique you use to construct 3D scene? Thanks.