I've been getting intense nighttime reflux — severe pain sometimes keeping me up most of the night sometimes resolved by cold fluids / chilled fruits (although I have trouble swallowing anything colder than room temp). (bengreenfieldfitness.com)
The black hole analogue, reported in Nature Physics, was created by trapping sound waves using an ultra cold fluid. (scientificamerican.com)
The rapid milk chiller cools the milk by means of a heat exchange with cold fluid inside the dome. (sciencemag.org)