People (mostly Scientists, but not only) are excited about Julia. Like, really excited. Why? A few reasons that might not be obvious to run of the mill software developers.
The Julia community is unified by something else, as well: a shared delight in the magical (this word cropped up more than once) power of Julia to facilitate collaboration and code reuse.
This Ars piece is a great read if you’re curious about Julia or if you simply dig programming languages and learning about new/interesting ones.