On August 5, 2010, the San José copper-gold mine near Copiapó, Chile collapsed, leaving 33 men trapped over 2,000 feet below ground. Sixty-nine days later (a record period of time for surviving underground), all 33 of the miners were rescued.

Clifford Ho is one young engineer paving the way to sustainable energy solutions.

Ho works for Sandia National Laboratories and investigates ways to capture and store solar energy for utility-scale electricity production using concentration solar power. He works closely with the Department of Energy to improve the performance and lower the costs of solar energy systems.