by Mark Duggan | Nov 4, 2013
Tucson, Ariz. – A recipe for how to make an 8.4-meter telescope mirror: Ingredient: About 44,000 pounds of glass chunks. Instructions: Load glass chunks into 27-foot diameter mold. Place mold in giant spinning oven and set for five revolutions-per-minute. Cook...
by Mark Duggan | Sep 23, 2012
More earthquakes are being detected in Arizona than ever before. That’s because, according to geologists, a statewide network of sensors is recording the most accurate seismological data in the state’s history. They even measure minor quakes, the faint...
by Mark Duggan | Oct 22, 2011
Tucson, Ariz. – The National Weather Service’s Tucson bureau is never closed. At least two meteorologists are on duty at all times, even on holidays. In June, staffing can be slightly lean when conditions stay the same – hot and dry – for...
by Mark Duggan | Oct 2, 2011
Flagstaff, Ariz. – Rich Hofstetter studies the bark beetle of North America’s most invasive species. The insect, slightly larger than a piece of rice, has killed millions of ponderosa and piñon pine trees from the Canadian Rockies to the Mexican Sierra Madre....
