價格：免費
檔案大小：26 MB
版本需求：需要 iOS 8.0 或以上版本。與 iPhone、iPad 及 iPod touch 相容。
支援語言：英語
Shoot charged particles through different magnetic fields and determine the paths of the particles in three levels of increasing difficulty. From the Quarked! Adventures in the Subatomic Universe project: www.quarked.org
支援平台：iPhone, iPad