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:  #39;Electronic eye #39; helps blind cross the road An electronic  quot;artificial eye quot;, developed for people with impaired vision, has been shown to reliably identify pedestrian crossings, determine when it is safe to walk across and even measure the width of a road.

Sci/Tech