Here’s a very rough translation of a little song by Amir Lev. I know that I haven’t got the second line right in particular, and I’ve probably made other mistakes. I just do this sort of thing as a mind puzzle. No great message here. It’s a nice sad [...]

These are the things they did to build the original temple. The Rabbis figured if you don’t do these 39 things, you are pretty much not working, ergo, refraining from these 39 activities constitutes the essence of Shabbat rest. All the rest is details, and there are quite a few of them.
Defining negative [...]

Fill in the Blanks: Using Math to Turn Lo-Res Datasets Into Hi-Res Samples | Magazine.