Author Archive | The University of Arizona

Using galaxies as yardsticks

Astronomy Professor Daniel Eisenstein is using a new understanding of spacing between galaxies to build a 3-D map of the cosmos and confirm theories about its structure.

Snooze control: Fatigue, air traffic and safety

It is safe to say that we are all guilty of these at some point in our day — stifling a yawn in the middle of the work day, eyelids growing heavy and having the strong urge for caffeine when 3pm rolls around. While most of us have experienced fati…