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What is viscoelastic fluid?

Score: 4.4/5 (13 votes) Viscoelastic fluids are a common form of non-newtonian fluid. They can exhibit a response that resembles that of an elastic solid...

What's a cutter in baseball?

Score: 4.4/5 (45 votes) Definition. A cutter is a version of the fastball, designed to move slightly away from the pitcher's arm-side as it reaches ...

How aerodynamic is a human?

Score: 4.5/5 (64 votes) The performance of human being in various positions is strongly affected by the resistance they experience in which the resistanc...

Where do pockmarks come from?

Score: 4.9/5 (29 votes) Pockmarks are typically caused by old acne marks, chickenpox, or infections that can affect the skin, such as staph. The results ...