Physics


Sub Topics:
How the Hunt for Alien Worlds Will Revolutionize Life on Our Planet
How the Hunt for Alien Worlds Will Revolutionize Life on Our Planet
Dimitar Sasselov
February 17, 2012
01:00:00
Astronomer Dimitar Sasselov discusses his book The Life of Super-Earths: How the Hunt for Alien Worlds and Artificial Cells Will Revolutionize Life on Our Planet.
Solar Energy the Third Way
Gang Chen
February 14, 2012
00:59:31
Professor Gang Chen compares the two current methods of generating electricity from sunlight with solar thermoelectric generators (STEGs). Chen and his colleagues have developed widely acclaimed innovations in materials and design that make STEGs much more efficient and economical.
The History of the Universe in One Hour
The History of the Universe in One Hour
Max Tegmark
December 13, 2011
00:50:32
Max Tegmark, Professor of Physics at MIT, gives a grand tour of the universe, ending with a discussion of parallel universes.
Michael Nielsen: Reinventing Discovery
Michael Nielsen: Reinventing Discovery
Michael Nielsen
November 9, 2011
00:56:26
Michael Nielsen, a pioneer of quantum computing, discusses the concept of "open science" and the need to change the way scientific research is conducted and the way data is handled in the modern scientific era. How is technology revolutionizing the way scientific problems are solved?
The Tumultuous Milky Way and Its Satellite Galaxies
The Tumultuous Milky Way and Its Satellite Galaxies
Elena D'Onghia
August 23, 2011
00:58:55
Current theories favor the idea that large galaxies such as the Milky Way grow by swallowing neighboring dwarf galaxies. During this process, the dwarf galaxies become severely distorted, producing streams of stars and gas.
Big Science from Little Stars: Volkswagens of the Galaxy
Andrew West
July 19, 2011
01:14:00
M dwarfs (or red dwarfs) are the smallest stars in the Milky Way Galaxy. They can be 10 times less massive, twice as cool and over 1000 times dimmer than the Sun. Yet despite their diminutive physical properties, these stars account for about 70 percent of all of the stars in the Milky Way.
The Hidden Reality: Parallel Universes and the Deep Laws of the Cosmos
The Hidden Reality: Parallel Universes and the Deep Laws of the Cosmos
Brian Greene
March 2, 2011
01:18:00
Current research rooted in quantum mechanics, cosmology, and string theory concurs that our universe is actually only one of many “bubbles” in a rapidly growing bath of universes.
Einstein's Relativity
Einstein's Relativity
Tereasa Brainerd
December 2, 2010
00:53:28
Dr. Brainerd discusses some of the fascinating, and perhaps unsettling, consequences of Einstein's theories of Special Relativity and General Relativity. How do two observers, one moving with respect to the other, experience different perceptions of time and distance?