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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
All of the lightsticks begin to emit a glow. The stick in the ice water bath emits the faintest glow, but remains lit the longest. The lightstick at room temperature is of average intensity and lasts an average amount of time. The heated lightstick is very bright but burns out quickly.
The reaction releases energy in the form of light and not heat, so it is safe to pass the sticks around the classroom. This reaction (like most other endothermic reactions) speeds up upon heating (this is an application of LeChatelier's Principle). The reaction is so slow when cooled, in fact, that it is claimed that an activated lightstick will still emit a faint glow after six months in a home freezer.
An NSF funded Project