A salivary gland stone -- also called salivary duct stone -- is a calcified structure that may form inside a salivary gland or duct. It can block the flow of saliva into the mouth. The majority of ...

Everyone is familiar with pinwheels, and few of us haven’t crafted one from a square of paper, a stick, and a pin. Pinwheels are pretty optimized from a design standpoint, and are so cheap and easy to ...

Measuring air flow in an HVAC duct can be a tricky business. Paddle wheel and turbine flow meters introduce not only resistance but maintenance issue due to accumulated dust and debris. Being able to ...

Because of newly improved imaging modalities bile duct brushings are steadily increasing and cytologic abnormalities are being identified in these samples even before a mass is visible. Early ...

Gain insight into fluid dynamics through numerical simulation. Go beyond theoretical analysis and experimental measurements with the power of reliable computational fluid dynamics (CFD) and heat ...

SIAM Journal on Applied Mathematics, Vol. 64, No. 3 (Mar. - Apr., 2004), pp. 878-901 (24 pages) The quasi-one-dimensional Euler equations in a duct of variable cross section form probably one of the ...