Exploratorium home Exploratorium home Explo.tv
Browse media archive by:
Search 
Running Time:
00:03:16
Dr. John Barnes, Station Manager of NOAA's Mauna Loa Observatory, shares the history of Charles Keeling's pioneering carbon dioxide measurements, which have been taken continually at Mauna Loa since 1958.

Project: The Rarest Eclipse: Transit of Venus | Browse All

Date: June 1, 2012
Format: Interview
Category: History of Science
Subject(s): General Science
Running Time:
00:17:15
Join exhibit developer Charles Sowers as he demonstrates Watch Water Freeze, an exhibit designed to encourage noticing. Patience with this piece is rewarded with breathtaking patterns of ice crystals. Viewed through a polarizing filter, the beautiful colors and crystalline structures of Watch Water Freeze have inspired countless museum visitors to reach for their cameras.

Project: Miscellaneous | Browse All

Date: December 16, 2009
Format: Exhibit
Category: Popular Science
Subject(s): Chemistry, Physics, Art
Running Time:
00:48:31
Join the ECHO Climate Change Symposium and sit in on a keynote address from Charles Wohlforth, author of the 'The Whale and the Supercomputer'.

Project: ECHO Climate Change Symposium | Browse All

Date: April 6, 2009
Format: Lecture
Category: Popular Science
Subject(s): Geology/Earth Science, Life Science/Biology