Member Since June 17, 2009
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Recent Activity by stu

Asked: Refrigeration

when you compress a gas it gets hot, when you expand a gas it gets cold, I know why, but after searching the net, I have yet to read a simple explanation.
  • Posted 3 years ago

Asked: Vortex seperation

when i stir a cup of tea, the floating tea leaves go to the center of the cup, but also sugar at the bottom of the cup goes to the center. what is the principle here how does it work.
  • Posted 3 years ago

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