https://www.osti.gov/pages/biblio/1610187-mode-conversion-extraordinary-wave-upper-hybrid-resonance-presence-small-amplitude-density-fluctuations
Mode-conversion of the extraordinary wave at the upper hybrid resonance in the presence of...
The U.S. Department of Energy's Office of Scientific and Technical Information
mode conversionof theextraordinary wave
https://www.osti.gov/etdeweb/biblio/10109032
Evaluation of mode purity of ordinary and extraordinary modes by fixed elliptically polarized wave...
https://www.egyptindependent.com/extraordinary-climate-change-fueled-heat-wave-envelops-the-west-with-mounting-consequences/
Extraordinary, climate change-fueled heat wave envelops the West with mounting consequences - Egypt...
Mar 17, 2026 - Meteorologists are reaching for superlatives to describe an oncoming heat wave so intense and rare for this time of year that it could leave some locations...