You're a secret agent, and you start to notice strange symbols everywhere you look. Can you decipher their meaning – and work ...

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Google has teamed up with the clever folks at Adaptive Design Association—an organization that builds custom adaptations for children with disabilities—for a 48-hour hackathon to design prototype ...

TimesMachine is an exclusive benefit for home delivery and digital subscribers. About the Archive This is a digitized version of an article from The Times’s print archive, before the start of online ...