Could Antimatter Space Travel Take Us to the Stars?
November 14, 2023
Could we use antimatter-based propulsion to visit alien worlds?
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Nobody Can Measure the Age of the Universe
January 11, 2021
Measuring age depends on measuring light speed in ways that cannot in principle be confirmed.
Light Speed Implications Are Staggering
June 27, 2014
A new paper revises the speed of light. This could change everything in the universe.
Major Cosmic Questions Remain Unanswered
April 28, 2013
Some basic ideas about physics and astronomy remain so mysterious, and their explanations so flexible, they may lead some to question whether they should be called "hard sciences."