Charles Townes, a physicist who won the Nobel Prize for his part in the invention of the laser died Tuesday at 99.
Townes is best remembered for thinking up the basic principles of the laser while sitting on a park bench. Later in life he helped advise the U.S. government and helped uncover the secrets of our Milky Way galaxy.
Originally published on Wed January 28, 2015 5:20 pm
All around the country, computer hackers, artists, and other do-it-yourselfers are meeting up in "maker spaces," to share tools and build cool stuff together, such as robots or musical instruments. Maker spaces are popping up in all sorts of places: school auditoriums, libraries, under tents at community festivals, and now, even at the hospital.
Originally published on Wed January 28, 2015 5:00 pm
Robert Siegel talks to Steven Chercover, a research analyst who studies the paper and forest industries, about the trend of shrinking toilet paper rolls. The old standard square sheet of 4.5 inches wide by 4.5 inches long has been getting increasingly smaller.
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