13.7 billion years ago, our universe started with a colossal explosion called the big bang. That powerful blast created all the matter in the universe and laid the groundwork for every explosion since.
Lynn Rothschild takes us on a field trip to the Oakland Zoo to discuss the diversity of life on our planet and...
Joseph Giaime discusses how LIGO (Laser Interferometer Gravitational Wave Observatory) works.
Steve Jacobs uses his desktop tornado demo to describe conservation of angular momentum.
Bryan Penprase discusses the locations of the ancient equinoxes in Casa Rinconada.
© 2011 NGC Europe Limited, All Rights Reserved
