In this Jan. 25, 1955, file photo, Charles Townes, Columbia University professor and Nobel laureate, explains his invention, the maser, during a news conference in New York City. He later joined the UC Berkeley faculty.
In this Jan. 25, 1955, file photo, Charles Townes, Columbia University professor and Nobel laureate, explains his invention, the maser, during a news conference in New York City. He later joined the UC Berkeley faculty. Associated Press file
In this Jan. 25, 1955, file photo, Charles Townes, Columbia University professor and Nobel laureate, explains his invention, the maser, during a news conference in New York City. He later joined the UC Berkeley faculty. Associated Press file

Charles Townes, Nobel Laureate and laser inventor, dies at 99

January 28, 2015 07:02 PM

UPDATED January 28, 2015 08:04 PM

Comments

More Videos

  • Flooding After Fire: California Department of Water Resources explains the risk

    This 2016 video by the describes how flood risks can increase in the aftermath of wildfires, with experts from Cal Fire, the National Weather Service and others weighing in.