On an international level there are a number of different types of crude oil, each of which have different properties and prices. The types of crude oil come from regions as diverse as Alaska ...

In this study, a high-precision micro-electromechanical system (MEMS) capacitive liquid-level sensor based on variable electrode spacing is proposed. Theoretical electrical and mechanical models are ...

You might not cook with it, but you almost certainly eat or use palm oil. Palm oil is the most widely consumed vegetable oil on the planet, found in many packaged products sold in the supermarket.