"Welcome to the world of science!"  When Yatori was 9 years old, she was sent to study with the general Bada Sankrein, and met a young boy her age, Ikta.  The world he shows her is new and exciting, like nothing she's ever seen.
It's a simple application 
of artillery mechanics.
إنّه تطبيق بسيط في مجال تحريك المدفعيّة
Das ist simple Artilleriemechanik.
Son los fundamentos de la artillería.
Son los fundamentos de la artillería.
Una semplice applicazione
della meccanica dell'artiglieria.
É uma aplicação simples 
da mecânica de artilharia.
Простейшее применение
 артиллерийской механики.