Fluid dynamics is the study of the motion of liquids, gases and plasmas. Flow is dependent on the intrinsic properties of the matter itself, such as compressibility, viscosity and density. Example ...

When a substance takes fire in the atmosphere without being exposed to intense or high heat, the action is called " spontaneous combustion ... a material rise of the fluid in the tube of the ...

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Correspondence to Dr John Harvey, North Bristol Lung Centre, Southmead Hospital, Bristol BS10 5NB, UK; john.harvey{at}nbt.nhs.uk Secondary pneumothorax (SSP) is associated with underlying lung disease ...