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21st century 22nd century The far future Beyond 10,000 AD Beyond 1 million AD. Blogs » AI & Robotics Biology & Medicine Business & Politics Computers & the Internet Energy & the Environment Home & Leisure Military & War Nanotechnology Physics Society & Demographics Space Transport & Infrastructure. Features » Artwork Data & trends Interviews ... Solving the Top 10 scientific mysteries facing the 21st century will not be all fun but could be mostly games. ... and the math for calculating optimal strategies is ... Projects like SETI have ...