March 8, 2004

CHARTRES WASN'T BUILT IN A DAY:

Science Project of a Lifetime: A NASA-funded space probe tackles Einstein's relativity theory. But after four decades and $700 million, the craft has yet to launch. (Peter Pae, February 24, 2004, LA Times)

In 1962, Francis Everitt, a restless young physics researcher from England, signed up at Stanford University for what he thought would be a "few years of entertaining work" on a space project.

The goal was to put a satellite in orbit 400 miles above Earth to validate or disprove, once and for all, Albert Einstein's general theory of relativity.

Four decades and $700 million later, Everitt is still working on Gravity Probe B.

In the meantime, NASA has landed a man on the moon, built the international space station and sent probes to Mars. Two of the three Stanford professors who came up with the idea for the gravity probe while skinny-dipping at the campus pool in 1959 have died.

"They were telling me about this far-out idea, and I thought I would work on it for a few years before going back to England," said Everitt, now 69 and an Einstein look-alike with his mustache and graying, frizzy hair. "I didn't realize how far out it was going to be."

Gravity Probe B, about the size of a van, was originally expected to lift off into space in 1975 at a cost of about $35 million. NASA has pulled the plug on the project seven times over the years. Each time, it was resurrected, thanks to Everitt's unrelenting lobbying of Congress.

More than 400 physicists, 2,100 engineers and countless Stanford students have worked on the project. Nearly 100 professors earned their doctorates developing, evaluating, analyzing and building it. Research papers on the probe fill entire sections of Stanford's engineering and physics libraries.
Stanford even built a three-story building for the project, the only facility on campus dedicated to a single mission. Today, about 55 full-time staffers work on the probe, with more than 100 students, visiting scholars and engineers involved at any given time.

For 42 years, Everitt has worked on nothing else. A tenured professor of physics at Stanford, he has never taught a class.

But he has been busy. As principal investigator for the gravity probe, he has written or co-written more than 100 research papers on the project. He also helped develop ground-breaking technologies that will be key to the probe's success — if it ever makes it into space.

Though the project has produced some dazzling, technologically advanced instruments and could yield enormous benefits for physics, it arguably has had more delays, cost overruns and cancellations than any other NASA scientific endeavor.

"There has been nothing like it in NASA's history," said Rex Geveden, deputy director of NASA's Marshall Space Flight Center in Huntsville, Ala., who has overseen the project for nearly a decade. "It's hard to believe that the idea came about at the dawn of the Space Age."

In December, Everitt and his team came tantalizingly close to launching the trumpet-nosed satellite from Vandenberg Air Force Base after half a dozen attempts over the years. But a technical glitch prompted NASA to postpone the launch once again, this time until April, while the probe undergoes repairs.

"We've waited 40 years. What's another few months?" Everitt said. "It's nothing like what the medieval cathedral builders had to go through."


Hey, an adult!

Posted by Orrin Judd at March 8, 2004 11:31 AM
Comments

My brother works at Lockheed. This endeavor is a joint Lockheed-Stanford project. My brother is managing a big chunk of it, but is not a physicist. He says that working with the physicists is like herding kittens.

Posted by: at March 8, 2004 12:11 PM

Another way to "prove" general relativity would be to demonstrate the next lowest (that is, more fundamental) physical theory, perhaps supersymmetry, which can be done down here. You don't have to leave home.

Posted by: Harry Eagar at March 8, 2004 2:12 PM

Perhaps so, but after spending $ 700 million, it might be a good idea to launch the thing.

Posted by: Michael Herdegen at March 8, 2004 4:34 PM

General Relativity has long since been proved. GPS satelittes have Gen Rel corrections to their clocks. Hubble sees gravitational lensing. The real issues are at the intersection of quatum mechanics and General relativity (i.e. string theory, supersymetry etc.)

Posted by: Robert Schwartz at March 9, 2004 5:46 PM
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