Category: Science

As an adaptive optics (AO) researcher for ground-based telescopes, having the possibility to perform tests on-sky was a major accomplishment for me. These tests occurred in Hawaii in the Keck I telescope…

Earth, 20 000 years ago: the last glacial maximum. The air was about 5°C cooler than today, the sea level more than 100 meters lower. Creatures could walk from Siberia to Alaska across a land bridge…