vortex

Instant Vortex 9-quart Air Fryer with VersaZone technology review: competent, but not flawless

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Instant Vortex 9-quart Air Fryer with VersaZone Technology: One-minute review Instant has long been a leader in the air fryer space and its latest model, the Vortex 9-quart Air Fryer with VersaZone Technology (also called Vortex Plus VersaZone Air Fyer 8.5L in the UK and Vortex Plus Versazone XXL Air Fryer 8.5L in Australia) aims … Read more

Rotating curved spacetime signatures from a giant quantum vortex

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To experimentally realize a curved spacetime such as a black hole requires a specific relative motion between the excitations and the background medium. One-dimensional supersonic flow, the archetypal example of an acoustic black hole, provides a platform for observations of Hawking radiation in both classical20,21 and quantum fluids9,10,22. More complex phenomena such as Penrose superradiance … Read more