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12:47:56
The concept of space-time--perhaps Einstein's most fundamental contribution to our understanding of the universe--will be explored using special red lasers.

00:23:04
Using a simple ball-bearing model, Exploratorium Senior Scientist Dr. Paul Doherty demonstrates Brownian Motion and explains how it proves the existence of atoms.

00:56:57
Watch as the best teachers on the planet battle it out for the title of Iron Science Teacher. In this zany competition teachers will have ten minutes to create a science activity. This week’s “secret” ingredient: CD cases!

00:28:53
Paul Doherty and Ron Hipschman discuss the clouds and atmosphere of Saturn. Learn how to make a cloud in your kitchen or an atmosphere in a soda bottle!

00:27:05
Paul Doherty and Ron Hipschman discuss some of Saturn's interesting history.

1:01:06
Watch as the best teachers on the planet battle it out for the title of Iron Science Teacher. In this zany competition teachers will have ten minutes to create a science activity. Tee off with this week’s “secret” ingredient-pet supplies!

00:19:05
Join Exploratorium scientist Dr. Paul Doherty and Dr. Eric Wegryn as they discuss the rings of Saturn and show new images from Cassini.

00:17:32
Look at new images from the moon Phoebe with Exploratorium scientist Dr. Paul Doherty and Dr. Eric Wegryn of Cassini’s VIMS project.

00:35:56
Meet Breea Govenar, a biologist at Penn State University, as she speaks to us from aboard a research vessel from Wood's Hole Oceanographic Institute. She'll discuss life near deep-sea thermal vents in the Pacific Ocean. The Webcast also includes Dr. Alissa Arp, a biologist from San Francisco State University studying the tube worms that live around these very hot marine spots.

00:11:16
Our team of middle school students from the Aim High program investigates new technologies that use our unique physical traits as tools for identification. Vox Unlocks tunes into voice recognition