BIG BANG TO US vs Electrical Engineer

The iron in your blood came from a star that exploded long, long ago. BIG BANG TO US is an interactive science app that lets you trace the history of the universe with your fingertips, from the Big Bang 13.8 billion years ago to the moment stars were born, died, and forged the very elements that make up your body. And at the end of that journey, you find... us. "A natural journey that begins with the Big Bang and leads to the story of how we are descendants of the stars. A wonderful piece of interactive science content that students and adults alike can deeply connect with and enjoy." Sunkyung Park (Astronomer, science communicator Ujutoon @uju_toon) ■ Don't memorize it. Touch it. Follow the universe from its very beginning by touching the screen yourself. The Big Bang, the first atoms, the birth of the first stars, and finally supernova explosions. See with your own eyes where, and how, the elements inside your body were made. ■ 13.8 billion years, four ways · Science: Children of Stars A cinematic documentary in 8 chapters, tracing the universe from the Big Bang to today based on modern cosmology · Experience: One-Take 13.8B A visual experience that sweeps across 13.8 billion years in a single, unbroken take · Story: WISH A short sci-fi story told through the eyes of a speck of dust, born in the brightest singularity of the Big Bang and ending its life in the darkest singularity of a black hole. Across eternity, what is the dazzling moment this dust speaks of? · Collection: Phyilm's Note Every production material, from the original soundtrack and high-resolution stills to the script and storyboards ■ Perfect for - Anyone who has looked up at the night sky and wondered, "Where did those stars come from?" - Space documentary lovers who want to touch and feel it for themselves - Anyone who wants to grasp the big picture of the universe, no equations needed - Parents who want to share the story of the universe with their kids - Teachers looking for class material on the Big Bang, stellar evolution, and the origin of the elements ■ Good to know Chapters 1 (The Big Bang) and 2 (Gravity) of Children of Stars are free to play. Additional content can be unlocked with an in-app purchase. School and institution inquiries: phyilm.official@gmail.com Come see your true story, the one that traveled 13.8 billion years to reach you. Take the equations out of science, add a story, and what remains is wonder. (science − equation + story = wonder) phyilm

A study app for Korea's national Electrical Engineer (전기기사) and Electrical Industrial Engineer (전기산업기사) written CBT exams, built around the official HRD Korea exam standard. Works completely offline with no sign-up; your study records stay on your device (SQLite). ■ Two certifications, one app Pick your certification in Settings and the syllabus adapts automatically. · Electrical Engineer — 5 subjects (includes Control Engineering) · Electrical Industrial Engineer — subject 4 becomes "Circuit Theory" only Both use the same format: 100 questions / 150 minutes / 40 per subject and 60 average to pass. ■ Realistic CBT mock exams · 5 subjects x 20 questions = 100 questions, generated automatically · 150-minute live timer, OMR answer sheet, resume where you left off · Subject cutoff rule — scoring under 40 in any single subject fails the exam ■ Wrong-answer notebook · Missed questions are collected automatically · Answer correctly 3 times in a row to graduate a question · Add your own memo to any question ■ Study by subject · 47 official syllabus topics · Instant grading with detailed explanations · Drill only your weakest topics ■ Statistics · Accuracy by subject, mock exam score trend chart · Two-week study volume, streak, weak-subject analysis ■ More · Bookmarks, full-text search over questions and explanations · Custom random quizzes (choose subjects and length) · Dark mode, adjustable text size ■ Languages UI in Korean, English, Vietnamese, Thai, Indonesian and Chinese. Questions are provided in Korean (original) and English. Because the real exam is written in Korean, a bilingual mode shows the Korean original beneath the translation by default. ■ About the question data The 402 questions are original practice questions written for study based on the official exam standard. They may differ from actual exam questions. For official information such as schedules and eligibility, please check Q-Net (q-net.or.kr).