Recent Examples on the WebFor example, if an electron and an antielectron appear near the warp drive, one of the particles would get trapped by the mass and this results in an imbalance. Mario Borunda, The Conversation, 23 Apr. 2021 Positronium is a volatile, short-lived atom that seems kind of like hydrogen but has a positron—an antiparticle considered opposite to an electron, sometimes even called an antielectron—instead of a proton. Caroline Delbert, Popular Mechanics, 9 Dec. 2019 IsoDAR will take a small cyclotron and use it as a driver to produce lithium-8 that decays, resulting in a very pure source of antielectron neutrinos.Quanta Magazine, 8 Dec. 2016