Antimatter keeps with quantum theory. It’s both particle and wave
A variation of the classic double-slit experiment is applied to a positron for the first time
![double-slit experiment illustration](https://i0.wp.com/www.sciencenews.org/wp-content/uploads/2019/05/050219_MT_anti-matter_feat.jpg?fit=860%2C460&ssl=1)
MAKING WAVES The famous double-slit experiment (illustrated) has revealed that particles of matter, like electrons, are also waves. Now, researchers have performed a similar experiment to demonstrate antimatter’s wavelike behavior.
RUSSELL KIGHTLEY/Science Source