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Ultrafast science

Ultrafast science

Thermal technique improves blood-flow measurements

13 Nov 2013
Image of blood flow taken using photoacoustic flowgraphy
Crimson tide: Ultrasonically encoded photoacoustic flow images of blood in a tube. (Courtesy: L Wang et al., Phys. Rev. Lett. 111 204301)
A new method for imaging the flow of blood has been developed by researchers in the US. By using ult

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Ian Randall is a science writer based in New Zealand
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