Nobel Physicist David Gross: Humanity Unlikely to Survive Long Enough to See Unified Physics Theory
Nobel Prize-winning physicist David Gross said humanity likely won't survive long enough to see scientists discover a unified theory that explains all the forces in the universe. Gross recently won a $3 million physics prize and spoke about the quest to unite all known forces.
Nobel Prize-winning physicist David Gross delivered a stark warning about humanity's future while discussing one of science's biggest goals. Gross, who recently received the $3 million Special Breakthrough Prize in Fundamental Physics, told Live Science that people likely won't live to see a unified theory of all forces.
Scientists have long sought to combine the four fundamental forces - gravity, electromagnetism, and the strong and weak nuclear forces - into one grand theory. This "theory of everything" would explain how the universe works at the deepest level.
Gross isn't alone in his pessimism about human survival. Cosmologist Martin Rees gives humanity only a 50-50 chance of surviving this century. The late Stephen Hawking warned that humans won't survive another 1,000 years on Earth without spreading to other planets.
These scientists worry about threats ranging from climate change and nuclear war to pandemics and artificial intelligence. The timeline for discovering a unified theory could span decades or centuries - longer than these experts think civilization will last.
This reflects growing concern among top scientists about humanity's long-term survival. If leading physicists doubt we'll last decades more, it raises questions about threats like climate change, nuclear war, and other existential risks facing our species.
Scientists will continue working toward a unified theory while grappling with humanity's long-term survival challenges.
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