One of the simplest solutions for sending measurement instruments up into the stratosphere is a rubber balloon filled with hydrogen or helium. While the physics of such a balloon would seem to be simple, there are actually some interesting considerations.
Welcome to the newly redesigned zmatt.net. I seem to only get around to upgrading my personal website once every decade so this is a special day indeed. The biggest change is that I now have a blog here (powered by WordPress). I used to blog on LiveJournal but I was seduced by short attention span media like Facebook, I’m trying to restart the blogging habit.
* 30% more Web 2.0 not guaranteed