The Myth of the 10 000 Lux Lamp
December in Stockholm and the sun rises at 8.30 and sets at 14.30, which makes many of us wonder, “why am I living here” or start looking for southern vacation destinations. It also leads to several articles in the newspapers about hacks on how to avoid winter depression or just get less tired. Artificial lighting […]
Speckles and their likelihood of detection
By Olov von Hofsten| Speckles are something that I have always been fascinated by. When I saw them for the first time, during school, they didn’t look like anything I had ever seen before. The pattern of bright dots moves with your position as if they are floating in space and you cannot focus on […]