Which Joe gave his name to ‘sloppy joes’? We look at five interesting sandwiches and their lexical origins.
A quadrillion (10¹⁵) watts.‘each year warm-core eddies shed southward the equivalent of about 0.3 petawatt of power’
- ‘Their calculations show that circularly polarized light from petawatt lasers - which are currently under construction around the world - could induce incredibly short blasts of synchrotron-like radiation.’
- ‘Scientists at Lawrence Livermore National Laboratory (LLNL; Livermore, CA) achieved a focused intensity approaching 10 W / cm with their petawatt laser before it was closed down in 1999.’
- ‘The latest generation of petawatt lasers, for example, can produce focused infrared pulses with an intensity of 10 21 watts per square centimetre.’
- ‘Copious numbers of energetic electrons are accelerated to mega-electron-volt energies during the petawatt laser/matter interaction.’
- ‘The National Nuclear Security Administration, which oversees petawatt laser development, is mainly interested in adding HEPW capability to its major facilities for radiography, isochoric heating studies, and fast ignition.’
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The definitions of ‘buddy’ and ‘bro’ in the OED have recently been revised. We explore their history and increase in popularity.