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An introduction to an instrument much like a saxophone but made of a water bottle and a paper tube.

A detailed demonstration of how to make the saxophone-like membranophone, including a discussion of materials needed.

The science behind the water bottle membranophone, including a discussion of how air vibrates the instrument's membrane, producing sound.

Watch as Exploratorium staff and local teachers compete for the title of Iron Science Teacher. Each contestant has 10 minutes to make a science lesson out of a secret ingredient. In this special Halloween edition, today's secret ingredient is: Plastic Bags!

Produced by students from San Francisco's Aim High Program. Today they ask, how do our ears work? Can we communicate without words? How do whales communicate under water? Why don't bats slam into trees as they fly? Middle school students will interview Exploratorium Educator Ken Finn and Biologist Dr. Karen Kalumuck, plus special surprise guests!

What does it mean to find the Higgs Boson at CERN? Hear how this elusive particle could change our understanding of physics.

Follow CERN's Mission Impossible team as they race against the clock to collect all they need to bring antihydrogen back to CERN's webcast headquarters.

Scientists at CERN in Switzerland explain to the Exploratorium's San Francisco audience why preparing for antimatter experiments is like arranging a marriage.

Making antihydrogen is no easy matter. Researchers at CERN show the Exploratorium's Melissa Alexander and Tom Humphrey where positrons live and how they keep them as cold as deep space.

What is antimatter and why are scientists studying it? How is the world's largest particle accelerator constructed? The Exploratorium's Rob Semper talks about how science is done at CERN and answers questions about antimatter from the Exploratorium's Webcast audience.