World 3 · Radiation, Dose and Safety · 13 min · PRO
Background radiation and everyday numbers
You are always being exposed, and that is normal
PRO · Atom Core
World 3: Radiation, Dose and Safety is part of PRO
The first world of Atom Core is free. PRO opens the other 23 lessons in 6 worlds — simulations, quizzes and all.
PRO includes
- All 60 labs — every world, every lesson
- Practice exams and certificates
$8.33/mo, billed yearly ($99.99) · or $39.99 monthly