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Spin (physics)
In physics, spin refers to the angular momentum intrinsic to a body, as opposed to orbital angular momentum, which is generated by the motion of its center of mass about an external ... > more -
Radiography
Radiography is the creation of images by exposing a photographic film or other image receptor to X-rays. Since X-rays penetrate solid objects, but are weakened by them depending on the object's ... > more -
Formaldehyde
The chemical compound formaldehyde (also known as methanal), is a gas with a strong pungent smell. Formaldehyde readily results from the incomplete combustion of carbon-containing materials. It may ... > more -
Fluid dynamics
Fluid dynamics is the subdiscipline of fluid mechanics that studies fluids (liquids and gases) in motion. The discipline has a number of subdisciplines, including aerodynamics (the study of gases) ... > more
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