25:32

Lecture 27: Plastic deformation 1

38:21

Lecture 25: Tensile test

38:08

Lecture 29: Strengthening mechanism 1

38:55

Lecture 21: TTT and CCT curves

31:22

A Equação de Um Trilhão de Dólares

1:03:43

Como falar

1:49:55

How To Speak Fluently In English About Almost Anything

40:25

Lecture 36: Creep