<a href= target=_blank >Producer's Notes: Homegrown Particle Accelerators</a>

QUEST | July 27, 2010

Producer's Notes: Homegrown Particle Accelerators

Ernest Lawrence above the 184-inch cyclotron. This was the biggest cyclotron he built at his laboratory in Berkeley, which later was named the Lawrence Berkeley National Laboratory. The 184-inch cyclotron no longer exists. But the building houses the Advanced Light Source, which uses the X-rays produced ...

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<a href= target=_blank >QUEST Lab: Bridge Thermometer</a>

QUEST | May 5, 2010

QUEST Lab: Bridge Thermometer

The roadway across the Golden Gate Bridge rises and falls as much as 16 feet depending on the temperature. When the sun hits the bridge, the metal expands and the bridge cables stretch. As the fog rolls in, the cables contract and the bridge goes up. Curators from the Outdoor ...

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<a href= target=_blank >QUEST Lab: Speed of Sound</a>

QUEST | April 7, 2010

QUEST Lab: Speed of Sound

Along with cable cars and seagulls, the Golden Gate Bridge foghorn is one of San Francisco's most iconic sounds. But did you know that if you hear that foghorn off in the distance, you can calculate how many miles you are from the bridge? Using the Speed of ...

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<a href= target=_blank >The New Bay Bridge: Earthquake Makeover</a>

QUEST | April 7, 2010

The New Bay Bridge: Earthquake Makeover

It's been more than two decades since part of the upper deck of the Bay Bridge collapsed in the Loma Prieta earthquake. The new self-anchored suspension bridge being built to replace the vulnerable eastern span of the Bay Bridge is scheduled to open in 2013 and will be seismically and ...

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<a href= target=_blank >Behind the Scenes with the Mythbusters</a>

QUEST | April 2, 2010

Behind the Scenes with the Mythbusters

A touching Mythbusters family portrait: Jamie Hyneman (L), Adam Savage (R), and (what's left of) the original Buster. (Editor's note: We have a guest blogger this week, KQED's Michael Kadel who accompanied us on a visit to our explosive San Francisco neighbors, the Mythbusters.) Once one strays from Public Broadcasting into ...

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<a href= target=_blank >Sun-Earth Day: Magnetic Magic</a>

QUEST | March 26, 2010

Sun-Earth Day: Magnetic Magic

Iron filings reveal the pattern of a magnet's invisible force field.Saturday, March 20th, was not only Vernal Equinox, but the annual Sun-Earth Day: a NASA-promoted effort around the country to focus attention on the special connections between the Sun and the Earth. This year's theme: Magnetic ...

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<a href= target=_blank >The Godfather of Green</a>

QUEST | February 15, 2010

The Godfather of Green

Art Rosenfeld is retiring, stepping down from his post with the California Energy Commission. The 83-year-old nuclear physicist pushed California to enact some of the toughest energy efficiency standards in the world. QUEST talks with Rosenfeld about his passion for saving kilowatts. Andrea Kissack reports. ...

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<a href= target=_blank >Reporter's Notes: The Godfather of Green</a>

QUEST | February 12, 2010

Reporter's Notes: The Godfather of Green

Don’t forget to turn off the lights next time you leave a room. You’ll make an 83-year-old physicist, with a passion for saving kilowatts, very happy Do you know what the biggest energy drain is on your house? Well, if you don’t have a hot tub, it’s heating ...

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<a href= target=_blank >Try These At Home 2: Exploring Buoyancy</a>

QUEST | February 8, 2010

Try These At Home 2: Exploring Buoyancy

The Cartesian Diver: this is a classic demo named after the17th-century philosopher and mathematician Ren

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<a href= target=_blank >Welcome to the Year of the Laser</a>

QUEST | January 26, 2010

Welcome to the Year of the Laser

Perhaps no single development of the last century has been more influential or more important than the laser. The concept of discovery is a powerful sentiment in science. Television’s Discovery Channel and print journalism’s Discover Magazine have folded the word into their identities, and as a child that my iconic ...

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<a href= target=_blank >Dark Matter Tests Positive (Sort of)</a>

QUEST | December 28, 2009

Dark Matter Tests Positive (Sort of)

The first evidence for dark matter came from Fritz Zwicky’s observation of the Coma Galaxy Cluster. Image Credit: NASA, JPL-Caltech, SDSS, Leigh Jenkins, Ann Hornschemeier (Goddard Space Flight Center), et al. Dark matter (think of matter as a fancy word for stuff) is one of the most exciting but also ...

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<a href= target=_blank >Web Extra: Photosynthesis and Foosball</a>

QUEST | November 21, 2009

Web Extra: Photosynthesis and Foosball

Photosynthesis seems like a simple process, but scientists are still trying to understand how it works. They've discovered that plants may be using quantum physics. As Lauren Sommer found out, the best way to understand it is through foosball. ...

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<a href= target=_blank >Unlocking the Mysteries of Graphene</a>

QUEST | November 16, 2009

Unlocking the Mysteries of Graphene

Electron microscope image of a hole embedded within a sheet of graphene. The corners of the green hexagons are carbon atoms which form graphene’s crystal structure. Image courtesy of the Zettl Research Group, Lawrence Berkeley National Laboratory and University of California at Berkeley. Acquiring a sample of graphene is almost ...

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<a href= target=_blank >50 Years Later, Still Plenty of Room at the Bottom</a>

QUEST | November 2, 2009

50 Years Later, Still Plenty of Room at the Bottom

Lawrence Berkeley Lab's TEAM 0.5 is capable of resolving individual carbon atoms in the honeycomb crystal structure of graphene. See QUEST's video The World's Most Powerful Microscope for more information. Image source: Nano LettersThe twentieth century’s most important physicist after Albert Einstein is almost certainly Richard Feynman. ...

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<a href= target=_blank >Science Event Pick: BOSS of the Night Sky</a>

QUEST | October 22, 2009

Science Event Pick: BOSS of the Night Sky

The Sloan Telescope used to conduct BOSS A long time ago in a galaxy far far away…Well, to be precise, 14 billion years ago and at the beginning of the universe was the Big Bang. Ever since that moment, our universe has been expanding, but over the last 7 ...

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<a href= target=_blank >The Large Hadron Collider Gets Ready to Spin Again</a>

QUEST | October 20, 2009

The Large Hadron Collider Gets Ready to Spin Again

The Large Hadron Collider, if located in the Bay Area, would encompass a sizable piece of San Francisco. Image Credit: NASA.In about one month the world’s biggest science experiment, the Large Hadron Collider (LHC) at CERN in Geneva, Switzerland, will once again fire up. So now may be ...

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<a href= target=_blank >Equinox on Saturn Reveals Ring Ripples</a>

QUEST | October 10, 2009

Equinox on Saturn Reveals Ring Ripples

Bumps and ripples in the otherwise flat ring system of Saturn cast long shadows at equinox. Image credit: NASA/CassiniImagine a vast, flat plain spreading out before you for tens of thousands of miles in all directions, with no Earthly curvature to give the horizon its slightly finite look. ...

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<a href= target=_blank >Try These at Home: 2 Sure-fire Science Demo Classics</a>

QUEST | September 8, 2009

Try These at Home: 2 Sure-fire Science Demo Classics

Water and cornstarch make a non-Newtonian fluid when mixed: messy but great fun!Sixth grade was a big year for science fair projects in my hometown. I was fascinated by sound and decided to test whether high or low pitches traveled more easily. In principle this could have been a ...

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<a href= target=_blank >Scary Tsunamis</a>

QUEST | July 29, 2009

Scary Tsunamis

Is California at risk? In 2004, a massive tsunami struck the Indian Ocean. More than 225,000 people were killed. Bay Area researchers raced to the scene to learn everything they could about these deadly forces of nature. The information they gained provides a 'Rosetta stone' for helping to understand the ...

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<a href= target=_blank >Producer's Notes: Scary Tsunamis</a>

QUEST | July 28, 2009

Producer's Notes: Scary Tsunamis

The Great Wave off Kanagawa is often mistakenly associated with the Tsunami. "If a tree falls in a forest and no one is around to hear it, does it make a sound?" The philosopher George Berkeley posed this philosophical question and a quick internet search found a somewhat ...

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