Category: Education Insights

How do you calculate toughness?

In the SI system, the unit of tensile toughness can be easily calculated by using area underneath the stress–strain (σ–ε) curve, which gives tensile tough...

What rice do Japanese use?

The rice eaten in Japan is a cultivar of Japonica rice (ジャポニカ米), plump short-grain rice. Also known as Uruchimai (粳米), it has a characteristic sti...

Is square root of pi a surd?

For example, π is irrational but not a surd. It is in fact an example of a transcendental number. Is square root of pi rational? Because all square roots ...