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Join Dr. Jay Daniel, Director of Engineering at L-3 Integrated Optical Systems Tinsley, to explore beryllium’s central role in the future James Webb Space Telescope.

Welcome to our 27th annual Pi Day! Help us celebrate this never-ending number (3.14159 . . .) and Einstein's birthday as well. On the afternoon of Saturday, March 14, 2015, participate in pi-related activities and enjoy a piece of pie. Founded at the Exploratorium by our own Prince of Pi, physicist Larry Shaw, Pi Day has become an international holiday, celebrated live and online all around the world.

Join the talented performers from the SFJAZZ Highschool Allstars for a live performance in our Kanbar Forum.

Navigating bustling city streets can be a challenge for anyone at times. Can you imagine crossing a busy street, walking up a flight of stairs or using public transportation without the gift of sight? In this Science in the City you'll catch a glimpse of how Guide Dogs for the Blind envisions a world with greater inclusion, opportunity, and independence by optimizing the unique capabilities of people and dogs.

Recorded live at the Exploratorium 2015 An element for the modern age, lightweight lithium is commonly used in rechargeable batteries, fireworks, and medications for treating bipolar disorder. Lithium is highly reactive, and has served as a fuel source for nuclear weapons as well as a cooling agent in nuclear reactors. See its scarlet contributions to pyrotechnics, and discuss its divided reputation as being both restorative and potentially toxic to our health.

Recorded live at the Exploratorium 2015 In a recent study by the Buck Institute for Research on Aging, Dr. Julie Andersen found that low doses of lithium prevented Parkinson's symptoms in aged mice with a human mutation for the disease. Join Dr. Andersen to learn more about her research, and lithium’s potential for treating neurodegenerative diseases such as Parkinson’s and Alzheimer’s.

Recorded live at the Exploratorium 2015 Zeke Kossover is a Teacher-in-Residence at the Exploratorium Teacher Institute, where he trains and supports coaches and mentors who work with novice science teachers in the classroom. For fun, he puts on physics circus shows that work as magic shows in reverse--making confusing things easy to understand.

Recorded live at the Exploratorium 2015 Plumb the dark and dangerous worlds of commercial diving and marine construction with Thomas Belcher, President of Underwater Resources, Inc., and learn how helium enables deep-sea divers to safely breathe under pressure.

Recorded live at the Exploratorium 2015 Helium is the second most abundant element in the universe. Then why is there a global helium shortage? Follow the trail of our spendthrift affair with this elusive noble gas, and find out why its future remains up in the air. Learn about helium’s many uses, from cooling magnets in MRI machines to enabling deep-sea divers to safely breathe under pressure.

Featuring: A People's History of the Periodic Table with Paul Stepahin