SLAC Today is available online at:
http://today.slac.stanford.edu

In this issue:
Secretary Chu's Talk Now Online
Kids Day 2009 Registration Open Today
Around SLAC: The Wiggler

SLAC Today

Wednesday - July 1, 2009

Secretary Chu's Talk Now Online

Secretary of Energy Steven Chu spoke at SLAC on Friday morning. (Photo by Brad Plummer.)

Last Friday, June 26, Secretary of Energy Steven Chu visited SLAC and delivered a compelling talk addressing U.S. energy challenges. Though his presentation detailed the grim effects of climate change and the potential consequences of inaction, his message was one of opportunity and hope:

"Scientists by their very nature have to be very optimistic… We can fix this [energy problem]."

View Chu's full presentation in this online video.

Kids Day 2009 Registration Open Today

(Photo - kids enjoy a workshop at Kids Day)

SLAC hosts nearly 250 children for the annual SLAC Take Your Kids to Work Day, which will be held this year on Friday, August 14. The event is open to all children ages 9–16 who are sponsored by a member of the SLAC community. Registration begins today!

The day of the event, the kids will attend numerous age-specific workshops organized by SLAC staff, with small projects that illustrate science, engineering and physics principles. Attendees will also hear science talks by SLAC physicists. The kids will receive as part of their registration fee: a T-shirt, lunch, goodie bag and an afternoon ice cream break. Nearly 50 lab staff volunteer their time to make this day a success for SLAC and the kids.

The Kids Day Web site contains all of the information about the day, as well as registration information.

Call for Volunteers

Kids Day is organized by a small committee, but the day of the event, many SLAC staff generously give their time to make the day a huge success. Workshop leaders, escorts, registration workers, etc., are all needed again this year. With so many kids on site, it takes a lot of volunteers to make it all work. If you are interested in escorting the day of the event please contact Michelle Steger (x3011).

We are looking forward to another successful Kids Day. See you all on August 14th!

(Photo - wiggler magnet)

Around SLAC: The Wiggler

This giant electromagnet hasn't done any wiggling lately, but in early days of the Stanford Synchrotron Radiation Lightsource, it was the star of the show. Magnets like this one, which has been decommissioned and now sits at the entrance to SSRL, are used to jiggle electrons back and forth as they travel along their circuitous trajectory in the SPEAR3 storage ring. The wiggling causes the electrons to emit X-rays, which are then focused into the SSRL beamline. After a year of service in 1978, the magnet was replaced by a larger and more efficient electromagnet, which was itself replaced by an even larger permanent magnet that is still in use today.

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