An underground laboratory in South Dakota may help researchers better understand antimatter. The Majorana Demonstrator will be used to try to observe a process known as neutrinoless double beta decay, which has never been seen before. If they are successful, it will mean that neutrinos and antineutrinos are the same particle. "It could help explain why the matter that we are made of exists," said physicist David Radford, who is working on the project.
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