Archive for the ‘Physical Science’ Category

Nanotech - Thursday, July 30th, 2009

Adding nanotubes makes a stronger plastic, but adding several nano-structures greatly increases the benefit, according to a new study from India. Read about the frontier of material science.

North Korea’s nukes - Thursday, June 11th, 2009

Underground nuclear tests have been the biggest roadblock to a comprehensive test ban. How are these explosions detected, and how reliably?

Year of astronomy: More reasons to love stars! - Sunday, January 25th, 2009

400 years ago, Galileo discovered the moons of Jupiter. We discover water from 11 billion years ago, volcanoes at Titan, a moon of Saturn, and good reasons to shun light pollution.

New concern as ocean grows more acidic - Thursday, November 13th, 2008

Each hour, the ocean dissolves 1 million tons of carbon dioxide from burning fossil fuel. As the water grows more acidic, sound travels further. What will happen to marine mammals, which rely on an exquisite sense of hearing?

Laser: The invention that just won’t quit! - Thursday, July 17th, 2008

Lasers read and write CDs and DVDs, form the heart of fiber-optics, and are being used in climate prediction, chemical identification, high-tech manufacturing, even the battle against influenza.

The sounds of sax - Thursday, February 7th, 2008

New study shows that controlling throat shape helps pro players hit the high notes that elude amateurs.

Big ideas from the smallest world - Thursday, January 31st, 2008

New snowflake generator reveals nature’s design principles; anti-reflective coating is nearly perfect, and so is mother-of-pearl inside an abalone. Dive into the nitty gritty of the itty bitty!

Ultimate Storm: What are hurricanes? - Thursday, August 23rd, 2007

How do they form? How do we predict their paths? How can we improve predictions?

Universe: Measured by New Yardstick - Thursday, August 10th, 2006

Feeling cramped? New measurement says the universe is bigger than you thought. Meet the astronomers’ new yardstick.

NASA to Earth Science: Take the Back Seat! - Thursday, August 3rd, 2006

To understand and protect the home planet: it’s no longer a key NASA mission. What will we lose as NASA turns its eyes toward the moon and Mars?

Cool Science Images

SciMax Theater

Virtual Science!

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