Astronomers have discovered a gigantic black hole at the heart of an ultraluminous quasar in the distant universe. The newfound cosmic monster is said to be the largest and brightest ever black hole, which dates back to a little more than 6 percent of the universe's current age of 13.8 billion years. Quasars are the brightest objects in the universe that contain supermassive black holes.
Chines e-commerce giant Alibaba Group Holding Ltd. bought a minor stake in Guangdong-based smartphone maker Meizu Technology Company. The investment worth $590 million in Xiaomi's minor rival is probably to make inroads in hardware business and to achieve further growth, targeting the vast potential for mobile Internet users in China. The country has nearly 650 million Internet users and 550 mill
Vivaldi, the new web browser launched on January 27, is an instant hit with more than 500 thousand downloads in the first 10 days. The browser is targeting tech savvy power users, who want better performance and rich features from their browsers. It is available for download as a technical preview for Windows, Mac and Linux. The company has plans to launch a mobile version and tablet version soon.