The most energetic particles in the universe have a message for us. The gigantic Pierre Auger Southern Observatory, still under construction in Argentina, is already trying to decipher it.
In 1978 Alan Guth heard about the “flatness problem” of the universe while attending a talk on cosmology—a field he was only marginally curious about. A year later, Guth found a solution.
Russian physicist Nikolay Solyak has been a Fermilab employee since 1999. When he left the United States in September 2003, a short trip abroad turned into a four-month odyssey, separating him from his work and family in the United States. His documents tell the story.
Particle physics has chosen low-temperature superconducting technology for the International Linear Collider. What is "cold," and why have particle physicists lowered the temperature on a new accelerator?