Which Joe gave his name to ‘sloppy joes’? We look at five interesting sandwiches and their lexical origins.
The SI unit of dose equivalent (the biological effect of ionizing radiation), equal to an effective dose of a joule of energy per kilogram of recipient mass.
- ‘The potential for radiation to cause biological damage is called the dose equivalent, which is measured in rems or sieverts, where 1 sievert equals 100 rems.’
- ‘All doses are expressed as dose equivalents in sieverts (Sv).’
- ‘The unit of this weighted dose is the sievert, Sv, and it is termed the equivalent dose.’
- ‘Radiation from a tiny particle of, say, plutonium is averaged over the entire body to give a dosage in units of (milli-) sieverts.’
- ‘The International Commission on Radiological Protection recommends using a nominal risk coefficient of 5% per sievert, which is increased threefold to account for the higher radiosensitivity of infants.’
1940s: named after Rolf M. Sievert (1896–1966), Swedish physicist.
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.