Font, they hay, for source code here. Quite similar to Sans, but more spaciated. Very clear. In Linux, just copy it to $HOME/.local/share/fonts. There is also available installers for Mac, Linux and windows.
A promising news for those who suffer from aphantasia: https://www.theguardian.com/science/2017/jun/01/scientists-discover-how-the-brain-recognises-faces-by-reading-monkeys-minds
New technique allows real-time sonographies of the entire body using laser-generated sound waves. Link to the new .