HomeHacker News Show HN: Kids Science Book Promoting Independence Includes QR Codes to YouTube https://ift.tt/3fJ33Jv byHat hair -November 28, 2020 0 Show HN: Kids Science Book Promoting Independence Includes QR Codes to YouTube https://ift.tt/35YKE8f November 29, 2020 at 02:05AM Tags: Hacker News Facebook Twitter