Updated Articles and Resources

By Andrew Zimmerman Jones, About.com Guide

Cosmologist Created: Friday, January 16, 2009 Updated: Wednesday, May 22, 2013
definition of cosmologist
Dark Flow Created: Friday, February 15, 2013 Updated: Wednesday, May 22, 2013
Definition of dark flow
Stephen Hawking Created: Tuesday, April 21, 2009 Updated: Wednesday, May 22, 2013
Physicist and cosmologist Stephen Hawking is probably one of the most popular modern physicists, mostly because of his popular bestselling book describing the state of cosmology and astrophysics an...
Reinventing Gravity by John W. Moffat Created: Tuesday, May 26, 2009 Updated: Wednesday, May 22, 2013
A review of John Moffat's intriguing physics book, Reinventing Gravity, which explores the ideas of controversial alternative theories of gravity to explain the cosmological mysteries of the univer...
Endless Universe: Beyond the Big Bang Created: Sunday, January 06, 2008 Updated: Wednesday, May 22, 2013
Steinhardt & Turok present a revolutionary new model of cosmology which removes the need for the inflationary phase in the Big Bang. Using concepts from string theory, they present a new cyclic mo...
What Is Cosmology? Created: Wednesday, May 22, 2013 Updated: Wednesday, May 22, 2013
Cosmology is the discipline of physics that involves the study of the origins, history, and evolution of the universe and the objects within it.
Flatness Problem Created: Saturday, March 26, 2011 Updated: Wednesday, May 22, 2013
definition of flatness problem
Many Worlds in One: The Search for Other Universes by Dr. Alex Vilenkin Created: Saturday, January 03, 2009 Updated: Wednesday, May 22, 2013
In Many Worlds in One: The Search for Other Universes, cosmologist Alex Vilenkin explores how the recent findings of cosmology are leading him and others toward a startling new view of the multiver...
Variable Speed of Light (VSL) Cosmology Created: Tuesday, August 11, 2009 Updated: Wednesday, May 22, 2013
definition of variable speed of light cosmology
Heliocentric Model Created: Sunday, May 19, 2013 Updated: Sunday, May 19, 2013
definition of Heliocentric Model
Geocentric Model Created: Sunday, May 12, 2013 Updated: Sunday, May 19, 2013
Definition of Geocentric model
Copernican Principle Created: Saturday, September 29, 2012 Updated: Sunday, May 19, 2013
definition of Copernican principle
Energy Created: Sunday, April 09, 2006 Updated: Monday, May 13, 2013
definition of energy
Force Created: Saturday, April 08, 2006 Updated: Monday, May 13, 2013
Definition of force, how force applies to physics
One-Dimensional Kinematics: Motion Along a Straight Line Created: Tuesday, May 02, 2006 Updated: Monday, April 29, 2013
Learn the necessary equations and relationship to analyze one-dimensional motion, such as a car driving on a flat road or a free-falling body, especially in the case of a constant acceleration
Brian Greene - Biographical Profile Created: Saturday, October 29, 2011 Updated: Monday, April 29, 2013
A biographical profile of theoretical physicist and bestselling author Brian Greene.
Physics Podcasts Created: Wednesday, October 26, 2011 Updated: Monday, April 29, 2013
There are a lot of people out there talking physics and some of them are doing it on podcasts, which allow you to download them for listening at your convenience. We maintain a list of some of the ...
"The Rhinitis Revelation" - Episode 5.06 Created: Saturday, October 22, 2011 Updated: Monday, April 29, 2013
Sheldon's mother comes into town for a visit and seems more interested in spending time with his friends than with him.
2011 Nobel Prize in Physics Created: Tuesday, October 04, 2011 Updated: Monday, April 29, 2013
The 2011 Nobel Prize in Physics went to the 3 physicists credited with discovering the accelerating expansion of the universe, often referred to as "dark energy."
Boy Who Harnessed the Wind: Creating Currents of Electricity & Hope Created: Wednesday, December 30, 2009 Updated: Monday, April 29, 2013
The Boy Who Harnessed the Wind is the story of William Kamkwambe's successful efforts to build a windmill for his village, believing that scientific innovation can usurp mysticism and hopelessness.
George's Cosmic Treasure Hunt by Lucy & Stephen Hawking Created: Saturday, August 01, 2009 Updated: Monday, April 29, 2013
George's Cosmic Treasure Hunt is the second children's book written by Lucy and Stephen Hawking in an effort to explain concepts from cosmology and astrophysics to young readers.
Electronics Overview Created: Sunday, April 16, 2006 Updated: Monday, April 29, 2013
Profile of the field of electronics
Richard P. Feynman - Biographical Profile Created: Saturday, September 09, 2006 Updated: Monday, April 29, 2013
An overview of general information about physicist Richard P. Feynman.
Falsifiability Created: Monday, April 29, 2013 Updated: Monday, April 29, 2013
definition of falsifiability
What is Elastic Collision? Created: Monday, April 29, 2013 Updated: Monday, April 29, 2013
An elastic collision occurs when the total kinetic energy after the collision is the same as the kinetic energy before the collision.
What is Inelastic Collision? Created: Monday, April 29, 2013 Updated: Monday, April 29, 2013
An inelastic collision occurs when the kinetic energy after a collision is different from the original kinetic energy in the collision.
What Is Momentum? Created: Saturday, March 23, 2013 Updated: Monday, April 29, 2013
An explanation of momentum, how it is used and relates to the Second Law of Motion.
Perfectly Inelastic Collision Created: Sunday, April 28, 2013 Updated: Monday, April 29, 2013
definition of perfectly inelastic collision
Does Time Really Exist? Created: Saturday, May 15, 2010 Updated: Sunday, April 21, 2013
Some people wonder if time really exists. I explain what we know about time.
Cosmological Fallacy Created: Saturday, April 13, 2013 Updated: Saturday, April 20, 2013
definition of cosmological fallacy
Time Reborn by Lee Smolin Created: Saturday, April 20, 2013 Updated: Saturday, April 20, 2013
A book review of the sure-to-be-controversial book TIME REBORN, by theoretical physicist Lee Smolin, which focuses on the
2009 Nobel Prize in Physics Created: Saturday, April 06, 2013 Updated: Saturday, April 06, 2013
A description of the science and scientists who received the 2009 Nobel Prize in Physics.