When you’re the inventor of one of the most successful and influential programming languages of the last decade, what do you do for an encore? Judging by demos at the recent JavaOne conference, if you’re Sun Microsystems, you invent another programming language. But Fortress is more than just another syntax to remember. Instead, Sun Labs is taking lessons learned from Java and applying them to the thornier problems of application development for HPC. If it succeeds, Fortress could become the language of choice for the new computing era.