No, it’s just liquid helium, which is normal He cooled to like 4K or so.

Not plants per se, but we had a problem with one of our cats jumping up in the kitchen counter. So we put a few coins in a coke can and then shook it furiously every time he jumped up. You have to watch them for a while, but it doesn’t take long for them to learn.

My new favourite answer for everything like this is Asciidoc. You can incorporate latex or mathjax directly into docs.

I thought it was Slave 1 flying right-to-left

Love ssss