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Tag archives: ultrasound

Exoplanet christening, physics on the catwalk, ultrasonic wine

Whiskey aging barrels

Quick spirit: ultrasonic waves speed up the ageing process. (CC BY-SA 3.0 Bbadgett)

By Sarah Tesh

Last week NASA announced the major find of seven Earth-like exoplanets orbiting a nearby dwarf star. The news that at least three of the seven could possibly support life was reported far and wide. Yet, as with most astronomical finds, the planets do not have the most imaginative names. Simply named after the star they orbit, they are currently called TRAPPIST-1a to TRAPPIST-1h. So NASA took to Twitter with the request #7NamesFor7NewPlanets and the public delivered. Suggestions have included the names of lost astronauts, famous composers and ancient deities. But naturally, there were also some less sensible contributions, including the seven dwarfs, many Harry Potter references, dedications to Pluto and, obviously, Planet McPlanetface 1 to 7.


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Medical scanning demystified

Diffusion MRI scan of the brain

Diffusion MRI scan reveals the connections in the brain. (Courtesy: NIH/The Human Connectome Project)

By James Dacey

Many of you reading this will have experienced (or at least known somebody else who has experienced) a medical scan of some type. Even if you have a background in physics, these procedures can seem mysterious and even slightly menacing, not helped by the clinical designs of the equipment and some of the sounds they make. A new series of online courses offered by an academic collaboration in Scotland has been designed to demystify the world of medical-imaging techniques by presenting the science and technology in non-technical ways.

The courses include introductions to ultrasound, magnetic resonance imaging (MRI), positron emission tomography (PET), and computerized tomography (CT). “The material was designed for non-specialists with an interest in science who might want to understand a bit more about medical imaging: school teachers, pupils, patients, relatives of patients,” says Dave Wyper, director of the Scottish Imaging Network: A Platform for Scientific Excellence (SINAPSE).


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