About 10 years ago, the American military gave access to the high precision positioning system. Almost the same day, a man placed a box somewhere in Oregon, and posted the coordinates on a website. Geocaching was born.

Light is a strange thing. What we usually call light is only a small part of the entire electro-magnetic spectrum. Like our ears, the eyes are only sensitive to certain frequencies of light, but there are ways to see beyond.

How often do you get the chance to spend a day riding snowmobiles across Hardangervidda? Not too often, so I was quick to accept when I got that offer last week. Here are some photos.