So, this year isn’t a lot of fun, especially if you are still on your self-isolation, even though I hope, just like every last person on the Earth, that this coronavirus pandemic will end soon and we all be happy to return to our usual activities and lifestyle. However, if you spend much of your time locked up indoors and bored out of your mind between your work sessions and attempts to keep your home in perfect shape, you may take this time to a topic that I hope you are interested in, since you’ve found my silly notes in a bottomless sea of the internet. I am of course talking abou...