LESA:
Welcome to quantum gravity
Feature: November 2003
PhysicsWeb
Quantum theory and general relativity will only be unified when theory meets experiment
LESA:
Superstrings
Feature: November 2003
PhysicsWeb
String theory is either a theory of everything - which automatically unites gravity with the other three forces in nature - or a theory of nothing, but finding the correct form of the theory is like searching for a needle in a stupendous haystack
Ýmislegt áhugavert
Are the laws of nature changing with time?
Feature: April 2003
PhysicsWeb
Precise measurements on the light from distant quasars suggest that the value of the fine-structure constant may have changed over the history of the universe. If confirmed, the results will be of enormous significance for the foundations of physics
The string-theory landscape
Physics in Action: November 2003
PhysicsWeb
String theorists have found a way to describe an accelerating universe that is similar to our own