Category: General

When was glass made?

The earliest known man made glass are date back to around 3500BC, with finds in Egypt and Eastern Mesopotamia. Discovery of glassblowing around 1st centu...

Can Wildcats be tamed?

The short answer is no. Even animals bred in zoos are never really 'tame' as they are still classed as wild animals, not domesticated ones like...

How do you find Extrema?

How to Find Local Extrema with the First Derivative Test Find the first derivative of f using the power rule. Set the derivative equal to zero and solve ...