Unintended Consequences of Energy Saving

Download this page in PDF format Last month a report in Science Advances got a lot of publicity as it described the increase in global light pollution following research using satellite data. Even more interesting was the fact that one … Continue reading

Night-time Treats

Download this page in PDF format The Opening Ceremony of the Rio Olympics featured a plane taking off from the MaracanĂ£ Stadium and treating us to a fantastic night flight over Rio. It was a beautiful sequence to celebrate the … Continue reading