Which Joe gave his name to ‘sloppy joes’? We look at five interesting sandwiches and their lexical origins.
A subatomic particle having the same mass as a given particle but opposite electric or magnetic properties. Every kind of subatomic particle has a corresponding antiparticle, e.g., the positron has the same mass as the electron but an equal and opposite charge.
- ‘At about one second into the life of the universe, the majority of existing particles and antiparticles had been destroyed to produce photons of electromagnetic radiation.’
- ‘Some neutral particles such as photons are their own antiparticles, while others like neutrons have antiparticles with opposite magnetic moments.’
- ‘Note that subatomic particles sometimes have antiparticles, with opposite charge and spin, that are the same ones going backwards in time.’
- ‘One can imagine atoms that are made of antiparticles: antiprotons, antineutrons, and positrons.’
- ‘Positively charged beta particles, the antiparticle of electrons, are called positrons.’
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Before you run for the hills, let’s run through a list of ‘run’ expressions that are running through our minds.
The definitions of ‘buddy’ and ‘bro’ in the OED have recently been revised. We explore their history and increase in popularity.