On December 30, 1924: Astronomer Edwin Hubble announced he believed he had confirmed the existence of other galaxies, through his research examining the Andromeda system. Read more about Hubble from WNET and WGBH:
Hubble’s Law
Hubble’s Work
Hubble’s Bio
Produced for WGBH and the BBC in 1992, this 5-hour history of computers is watchable online. It covers the birth of computing in Babbage’s difference engine, all the way through the growth of artificial intelligence and global networks.
On December 15, 2001, Italy’s Leaning Tower of Pisa reopened its doors to tourists after a team of experts spent 11 years and $27 million to keep it from tilting so much it might fall over.
Reports emerged this week that the president-elect has decided to tap Nobel prize winner Steven Chu as his energy secretary, Democratic sources told several media organizations.
After a decades-long comeback, the grizzly bears of Yellowstone appear to be thriving. Should they now be removed from the protection of the Endangered Species Act? Discover the complex issue of grizzly bear management and conservation from ranchers, conservationists, and government officials who share their stories and insights. Watch now.
They’re everywhere around you—the jagged repeating forms called fractals. If you know what to look for, you can find them in the clouds, in mountains, even inside the human body. A group of maverick mathematicians are determined to decipher the rules that govern fractal geometry. Watch now.
A zero net building would generate enough renewable energy to meet its own energy needs. Clark Brockman, the director of SERA Architect’s Sustainability Resource Team, moderates the first …
For almost a year, New Jersey News has been following developments in Nuclear Fusion research at Princeton University. Watch videos… (each story is approximately 2.5 minutes long.)
In 1893, a bounty hunter named Ernest Thompson Seton journeyed to the untamed canyons of New Mexico on a mission to kill a dangerous outlaw: a wolf named Lobo. The ensuing battle of wits between wolf and man left a lasting effect on a new and growing movement in America: wilderness preservation. Watch episode. (also see other features from this program, including a web comic and turn-of-the-century photos) (Originally aired: 11/23/2008)
