The old title of the blog was
which translates to
𝒇- Science, Technology, Engineering,
Mechanics Mathematics Reviews
The title is also shaped like a photography term (f-stop), which is not yet my hobby.
If your computer has displayed the first letter (before the dashes/”-“) with a small rectangle or alien symbol, congratulations! You have adopted a browser or OS that poorly respects the Unicode standard.
Here are the attributes
Mathematical Bold Italic Small F.
Not necessarily my contents, have fun reading!