Wyniki wyszukiwania:

C-3PO and R2D2 must keep Darth Vader from discovering the Rebels' secret plans Relive the classic scenes from A New Hope where the droids crash land on the desert planet of Tatooine and meet a young farmer named Luke. Leveled Readers is an imprint of Spotlight, a division of ABDO.

Before Luke can be a Jedi, he needs to learn from Yoda This fully-illustrated level 2 reader retells the classic scenes from The Empire Strikes Back where Luke learns to use the force for the very first time.

Fracture, and particularly brittle fracture, is a good example of an instability. For a homogeneous solid, subjected to a uniform stress field, a crack may appear anywhere in the structure once the threshold stress is reached. However, once a crack has been nucleated in some place, further damage in the solid will in most cases propagate from the initial crack, and not somewhere else in the solid. In this sense fracture is an unstable process. This property makes the process extremely sensitive to any heterogeneity present in the medium, which selects the location of the first crack...