Aperture Science is a fictional research corporation from the popular video game series, Portal. Known for its quirky and often dangerous experiments, the company focuses on developing advanced technology, particularly in the field of portal technology. Their most famous invention is the Aperture Science Handheld Portal Device, which allows users to create linked portals on flat surfaces, enabling instant travel between two points. The company is also known for its eccentric and often unethical approach to science, leading to bizarre test chambers filled with puzzles and challenges. The character GLaDOS, an artificial intelligence, oversees many of these tests, adding a darkly humorous twist to the experience.