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 ...

We've all heard about counting the rings inside a tree trunk to discover its age. But there are other ways to determine a tree's age without chopping it down.

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 ...