Darkmatter in Cyberspace

This afternoon we watched the movie "Slam Dunk". Besides the exciting offense and defense scenarios on the count and the delicate narrations of the relationship between family members, I have some new thoughts on sports and games. People in East Asia traditionally believe that intellectual training is the essence of education. Compared with it, sports are more or less optional and subordinate in the educational system. P.E. classes are frequently occupied by language, Math, or science classes. In junior and senior school, I was a fan of ping-pong. It took most of my spare time and even in class to read books, and journals about it, and practice basic and complex skills. Thirty years later, I have to say the young me missed some essential parts of games. Besides strategies, tactics, and skills, games are more about communication and cooperation. The basketball court is always full of physical contact, fierce confrontations, and even altercations and injuries. However, you must...

After installing Habitica on my phone, 2 weeks passed. It's really a wonderful tool, like AntennaPod and @Voice. which changed my lifestyle dramatically. I put a couple of items on it. Please forgive me for listing them out. Tasks in channel "Habits" have a plus button. Every time you finish a task, click the button to get the corresponding rewards (experiences and coins, with which you can buy food or equipment). The tasks here can also have an optional "minus" button. Every time you failed the task, click the button to accept a punishment (negative rewards). By far I've added only one habit: going to bed before 23:00. Tasks in channel "Daily" need to be practiced on a daily/weekly/monthly basis. You can choose how many times the task must be done in a time unit. Here's my daily task: Listen to an English/Japanese/Cantonese episode (podcast with AntennaPod, audiobook/magazine with Musicolet); Learning Japanese/Cantonese on Duolingo; Learning n...