Neutrinos are extremely small, electrically neutral particles that are created by nuclear reactions. They have almost no mass and can travel at very high speeds.
This is still a topic of debate and research in the scientific community. Some theories suggest that neutrinos may have a different mass than previously thought, while others propose that there may be unknown particles that interact with neutrinos and allow them to travel faster.
In 2011, the OPERA experiment at CERN observed neutrinos traveling faster than the speed of light. However, this result was later found to be due to experimental errors. So far, there is no conclusive evidence that neutrinos can travel faster than light.
If it is confirmed that neutrinos can travel faster than light, it would challenge Einstein's theory of relativity and the idea that nothing can travel faster than the speed of light. It could also lead to new discoveries and advancements in our understanding of the universe.
No, the claim has not been proven. While there have been some experiments that have observed faster-than-light neutrinos, they were later found to be incorrect. More research and experiments are needed to confirm or refute this claim.