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Copyright (c) 2006-2014 MindTouch Inc.
This file and accompanying files are licensed under the MindTouch Master Subscription Agreement (MSA).
At any time, you shall not, directly or indirectly: (i) sublicense, resell, rent, lease, distribute, market, commercialize or otherwise transfer rights or usage to: (a) the Software, (b) any modified version or derivative work of the Software created by you or for you, or (c) MindTouch Open Source (which includes all non-supported versions of MindTouch-developed software), for any purpose including timesharing or service bureau purposes; (ii) remove or alter any copyright, trademark or proprietary notice in the Software; (iii) transfer, use or export the Software in violation of any applicable laws or regulations of any government or governmental agency; (iv) use or run on any of your hardware, or have deployed for use, any production version of MindTouch Open Source; (v) use any of the Support Services, Error corrections, Updates or Upgrades, for the MindTouch Open Source software or for any Server for which Support Services are not then purchased as provided hereunder; or (vi) reverse engineer, decompile or modify any encrypted or encoded portion of the Software.
A complete copy of the MSA is available at http://www.mindtouch.com/msa
After the can is stoppered, it collapses.
The water inside the can is boiled. The water takes up more space as a gas than as a liquid, and this forces much of the air out of the can. When the heat is removed, the water returns to its liquid state and air, under normal circumstances, would be able to fill the space in the can again.
However, a stopper was added, preventing this from happening. Instead, the water returns to its liquid state, but the stopper prevents air from filling up the leftover space. This leaves whatever little air happened to be in the can after stoppering the task of filling the entire leftover space above the water. Because there is less gas per unit area inside the can than outside the can, the pressure inside the can is less than the pressure outside the can.
The greater pressure outside of the can pushes in on the can, and the lesser pressure inside of the can is unable to push back with equal force. The can, as a result, collapses.
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