Yet only “Gray Tree” has scale-invariant branch diameters. When Mondrian removes the scale invariance in “Blooming Apple Tree ...

Leonardo da Vinci’s sketch of a tree illustrates the principle that combined thickness is preserved at different stages of ramification.

The scale invariance in branch diameter dictates how much smaller a limb should be as it branches and how much investment a ...

While the post-Christmas period is a time of bliss, mostly spent watching telly and eating leftovers, there is that looming chore of having to take the tree and all the festive decorations down ...

The festive season is nearly over so if you have a real Christmas tree and you’re not sure what to do with it - here's what you need to know. With the big day over for another year, the ...