Airs Wednesday, August 31, 2011 at 8:00 p.m. ET/PT. Check your local listings.
Month: August 2011
Architect and designer Michael Arad takes us on a tour of his 9/11 Memorial mock-up.
Visit the factory where the 9/11 Memorial plaques are made.
Bracing One World Trade Center’s steel frame led to some unexpected perks at the worksite.
One World Trade Center’s glass facade may look fragile, but it is extraordinarily tough.
Airs Wednesday, August 24, 2011 at 9:00 p.m. ET/PT. Check your local listings.
Author and physicist Brian Greene answers questions from Facebook and Twitter.