Which Joe gave his name to ‘sloppy joes’? We look at five interesting sandwiches and their lexical origins.
The principle that the momentum and position of a particle cannot both be precisely determined at the same time.
- ‘It turns out to be a basic consequence of the two basic principles of quantum theory, the uncertainty principle and the superposition principle.’
- ‘Subject to the limitations of the Heisenberg uncertainty principle, the advancement of atomic physics and quantum physics allowed increasingly accurate descriptions of complex atoms.’
- ‘For Bohr, Heisenberg's uncertainty principle is an ontological principle of indeterminacy; for Bohm, Heisenberg's uncertainty principle is an epistemological principle of ignorance.’
- ‘This assumption is made by the hidden-variable theories that have been advanced as alternatives to quantum mechanics and the uncertainty principle.’
- ‘In addition, the uncertainty principle of quantum mechanics prevents speculation on times shorter than 10-43 seconds after the big bang.’
We take a look at several popular, though confusing, punctuation marks.
From Afghanistan to Zimbabwe, discover surprising and intriguing language facts from around the globe.
The definitions of ‘buddy’ and ‘bro’ in the OED have recently been revised. We explore their history and increase in popularity.