A New Programming Language from SUN

Just a bit of technical news Guy Steele, coauthor of the Java Language Specification, is working on a new programming language called Fortress. Although the article claims the new language is intended to be better than Java the real objective seems to be a new domain specific language, this domain being science oriented programming on large super computers. Quoting from the article: ---- Fortress focuses on the needs of programmers who work in mathematical disciplines and disciplines such as physics and chemistry that rely extensively on mathematics. For starters, the code looks like math -- math the way it's written on a chalkboard, with square root signs and exponents placed above the line. ---- It was not clear from reading the article if the runtime would be based on a JVM or a completely new technology. Can anybody throw light on this...