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  After much speculation over its built and specifications over past few months, South Korean giant Samsung on Wednesday launched its flagship device, Galaxy S8, that has a voice assistant. The device comes in two variants with different screen sizes -- the 5.8-inch Galaxy S8 and 6.2-inch Galaxy S8 Plus - and will be available from April 21. Registrations begin from March 30. The device might be priced from $720. Samsung will release these devices in India in the coming months. 

A 17-year-old British student, Miles Solomon , spotted an error in NASA’s data while working on a school physics project. What’s more, the teenager figured out that radiation sensors on the International Space Station (ISS) were not working properly. The sensors were actually capturing “false data”.   Once he found the error, Solomon emailed NASA, which said it “appreciated” the feedback and even invited him to help fix the problem.  Solomon’s Tapton Secondary School in Sheffield was taking part in a project from Institute for