Sometimes they are bound to collide, creating cross currents. But cheating is not what caused the relationship to collide and crash. If both swerve left, or both right, the cars do not collide. Electrons flowing in the arc collide with the mercury atoms. Cole participated in the WWE Worlds Collide event. Atoms can simply collide with each other and then bounce off of each other. Single spherical particles which undergo Brownian motion collide and sticking of particles happens. For bimolecular reactions, two molecules collide and react with each other. The ILC would collide electrons with positrons. Even if Pluto's orbit were not inclined, the two bodies could never collide. Thermionic emission generates electrons, which collide with gas atoms and generate positive ions. Gurjar made his first televised appearance as a participant in the Worlds Collide men's battle. Worlds Collide&colon; Mayorga vs. Thomas card. When air turbulence occurs, water droplets collide, producing larger droplets. As the droplets fall, they collide with other droplets and become larger.