Speaker: Ratio is a way of showing how many types of one thing there are compared to another. There are 5 biscuits here. 4 cookies and 1 shortbread. So the ratio is 4 cookies to 1 shortbread. (4:1) ...

Simple math equations grow harder when we're out of practice. As time goes on we forget the elementary rules of math and compound problems become more and more challenging. That's why a simple math ...

The Critical Shear Crack Theory (CSCT) has been developed since 1985 to assess the shear resistance of members without shear reinforcement and the punching shear resistance of reinforced concrete ...

This is a pedagogical introduction to the general technique of bosonization of one-dimensional systems starting from scratch and assuming very little besides basic quantum mechanics and second ...