Reengineered metasequoia wood generates electricity from water flow while cooling buildings through evaporation, offering a ...

This set of shorter video clips is taken from the Live Lesson programme and can be used to teach individual topics. A look at a simple series circuit and the use of electrical symbols in a diagram.

T ermites are a particularly troublesome pest, because they can cause serious damage to your home, and are notoriously difficult to get rid of. If you notice any of these wood-chewing creatures, or ...