July 31, 2020
I challenge you to these six machine puzzles. Guess which door the ball will go through by imagining how the machine will run. I bet no one can get all six correct!
July 29, 2020
Filmed during Kilauea’s eruption in 2018...
Narrated by Fred Mills. Additional footage and images courtesy of Shihan Shan, Google Earth, SkyscraperPage, Haroon Sadiq, Omeas Mumtaz Siddiqui, Ahsan Miana, Mott MacDonald, Le Grand Portage, Iran Water and Power Resources Development Co, State Power Dadu Hydropower Development Co and Li Donghui.
July 27, 2020
From Smarter Every Day...
From comedian Trey Kennedy...
July 25, 2020
July 14, 2020
July 8, 2020
This Apollo 16 Rover traverse to Station 4 was filmed in 16mm, color-corrected, and interpolated from 12 to 60 frames per second.
The colonies of Spain spanned most of the Americas, yet for some reason they became a hodgepodge of independent countries, rather than a federal union like the United States. So, what prevented the emergence of a Spanish American Union?
July 7, 2020
The Sistine Chapel is one of the most iconic buildings on earth — but there’s a lot you probably don't know about it. In this tour-de-force talk, art historian Elizabeth Lev guides us across the famous building’s ceiling and Michelangelo’s vital depiction of traditional stories, showing how the painter reached beyond the religious iconography of the time to chart new artistic waters. Five hundred years after the artist painted it, says Lev, the Sistine Chapel forces us to look around as if it were a mirror and ask, “Who am I, and what role do I play in this great theater of life?”