Paolo Redaelli personal blog

Unobtanium not needed?

Researchers at the University of Houston have reported a new method for inducing superconductivity in non-superconducting materials, demonstrating a concept proposed decades ago but never proven. From Physicists induce superconductivity in non-superconducting materials Maybe we won’t be so pressed to go digging for unobtanium on Pandora

Mathematical Annotation in R

Mathematical Annotation in R | Vistat Want to write mathematical symbols and expressions in R graphics? You can use an R expression() instead of normal text, e.g. plot(1:10, main = expression(alpha + beta)). Below is a demo that shows you everything about plotting math in R (it was written by the R Core Team; see…

Sometimes it is annoying

Who? SELinux of course! Mind me, it is a wonderful tool. Tell me I’m old-fashioned, tell me I’m unacknowledged about the security it brings. This after I just wanted to add a theme to my WordPress inner company blog. SELinux kept saying something like “I don’t think so!”.