Understanding 'A Thousand Brains', A Personal Review

    May 15, 2023

    The description of cortical columns is amazing; they serve as the fundamental computational units of our brain.


    A Personal Journey Through Tegmark's Mathematical Universe

    May 7, 2023

    I love the concepts of inflation theory, Many Worlds interpretation, decoherence, consensus reality, and many more.


    Validate HLSL grammar in command line

    Oct 11, 2021

    HLSL is used in Unity, and one can debug HLSL code in SHADERed. However, SHADERed doesn't show the detailed compile error message as Unity does. Here we show how to use a tool called glslangValidator to validate the HLSL grammar in command line.


    Setup Unity ML-Agents

    Sep 23, 2021

    Unity has published ML-Agents 2.x, and here is how to set things up and run the examples.


    A simple Android virtual environment

    Jul 3, 2021

    Inspired by DeepMind's newly release AndroidEnv.


    How to use PyCUDA to bring significant speedup

    Aug 2, 2020

    We can see the CUDA version only takes 6 seconds while the original version would take more than a hour.


    Nuance in Monty Hall Paradox

    Jul 2, 2018

    Hmm, is the "Marilyn's question" different from "Monty Hall Paradox"?


    What is Mathematics According to Keith Devlin

    Jun 27, 2018

    In the book Introduction to Mathematical Thinking, he wrote, "Virtually nothing ... from the last three hundred years has found its way into the classroom..."