erek erek 08Derek Alexander Muller (born 9 November 1982) is a science communicator and media personality, best known for his channel Veritasium, which has overKode Erek-Erek 71 dan kode alam 71 berdasarkan buku seribu tafsir mimpi 2D 3D 4D bergambar dan primbon yaitu simbol dari sosok seorang pemburu dan untuk kode alam