Definition: In this task, you are given a news article. Your task is to classify the article to one out of the four topics 'World', 'Sports', 'Business', 'Sci/Tech' if the article's main topic is relevant to the world, sports, business, and science/technology, correspondingly. If you are not sure about the topic, choose the closest option. Note that URLs in the text have been replaced with [Link].
Input: System X Faster, but Falls Behind Virginia Tech's recently rebuilt Macintosh supercomputer flies past the 12-teraflop mark, but will the performance boost be enough to keep it in the supercomputer top 10? By Leander Kahney.

Sci/Tech