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What is drag force? (Part 1)

You’ve probably seen the standard parabolic trajectory stuff in high school and your freshman year of college, and you’ve probably been told sooner or later that that isn’t the whole picture. 807 more words

Fluid Mechanics

One for the Chemical Engineers

Let us take a moment to fully appreciate this straw, which I just use to consume a hot Thai beverage.

This straw has been altered from the conventional cylindrical tubular straw by compressing it lengthways down its entire length, significantly reducing the flow cross sectional area whilst maintaining a comparable wetted perimeter. 154 more words

South-East Asia