Presenter 2: In this film, we will look at how to collect valid measurements when we carry out an experiment. Presenter 1: For example, I want to investigate the distance a car travels when the height ...

There are various ways to measure plant health, and we’ve seen many projects creating open-source solutions. One we haven’t seen is a dendrometer, which involves measuring various physical dimensions ...

You can find giant historic trees all over the UK and many have been standing for hundreds and hundreds of years. If you've ever wondered exactly how old these towering trees are, there are a ...

Anybody who has bought a lovely Christmas tree, only to find you can’t get it through the door will tell you, it’s important to measure things. But tape measures aren’t always practical and are easily ...