Behold the spectre! You might remember a few months back an amazing new shape was discovered called the "hat" that could cover a surface without repeats. Well, it involved an annoying caveat. Now mathematicians have found shapes that don't need the caveat
An unsatisfying caveat in a mathematical breakthrough discovery of a single tile shape that can cover a surface without ever creating a repeating pattern has been eradicated. The newly-discovered "spectre" shape can cover a surface without repeating and without mirror images
There is now a map of EVERY* tree in Africa https://www.newscientist.com/article/2371349-a-map-of-every-tree-in-africa-will-help-monitor-deforestation/ *nearly
A technique based on high-resolution satelllite images could help researchers monitor tree cover loss, reforestation and the impact of climate change
Fellow science and technology journos… who should I be following?
