Browsing 920 - 930 results of 1178 programs
Part of the Exploratorium's "For the Curious Ones" campaign, this witty public service announcement asks why we press the remote control buttons harder when we know the batteries are virtually dead, and more.
Project: TV and Radio Spots | Browse All
Date: January 1, 2005
Category: Everyday Science
Join the Live@ crew and NASA scientists as we delve into the ancient knowledge of the Chacoans, daily sky watchers who amassed a great knowledge about the movements of the sun. And learn why today's astronomers and solar physicists continue to watch the sun, using modern ground-based observatories and orbiting space telescopes.
Project: Ancient Observatories: Chaco Canyon | Browse All
Date: December 21, 2004
Category: History of Science
Subject(s): Physics, History