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On February 29, 2008 the Wikiversity community was notified that Mike Irwin has unexpectedly passed away. Mike was a dedicated and enthusiastic contributor right from the beginning of this project. His absence is a deep loss for us.

Gamestuds.jpg This user contributes to the School of Game Design.

This user contributes to

Educational Background

  • Valedictorian, Coquille H.S., 1979.
  • B.S. Engineering Physics, Oregon State University[1], 1984.
Work experience:
  • Systems Analyst/Program Manager, 5 ys, Edwards AFB
  • Instrumentation and Control Engineer 1.5 yr CH2M-Hill
  • Sole Proprietor, Irwin Consulting, 10 yr
Discontinued, peaked at 12 working computer professionals, Systems Analysts, CAD, Animation & Multimedia
  • Currently: At liberty. Studying commercial opportunities in free/open paradigms with a view towards engineering resources or projects.

Wikiversity participant since wayback. Authority to proceed minus a couple of years.

Current Personal Study Zones

Technical papers that have attracted my serious interest and attention ...

Subject:heat into light

Speculative Fiction Written and Copyrighted by Me

Personally Useful Links

Check these out

Online open textbooks of interest:

Notes Useful html hiding section for question and answer.

This Wikiversity editor in their contributing to scholarly works, agrees to strong scholarly ethics. In particular this Wikiversity editor:
  • Is committed to presenting a balanced, objective, accurate, and informative account of all relevant scholarly evidence, facts, analysis, and ideas within all scholarly topics of study in the interest of full disclosure and honesty.
  • Does not condone illegal, deceptive, or otherwise unethical practices in their own contributions or in others'.
  • May for research purposes contribute outside of the restrictions of NPOV.
  • Will respond to all questions about the ethical caliber of their contributions on their talk page.

HTML Code Test in progress

user:mirwin/sand box this is a test page 2

open fault investigations

  1. 1 Unexpected Exception

Consider submitting a bug report using the bug tracker at the following url:


 1. Use the following as the title of the bug report:

Unexpected Exception: null line -2

 2. Include steps to reproduce the bug (attach a  save game if  appropriate).
 3. Copy and paste the details below into the bug report:

Windows XP 5.1 Java HotSpot(TM) Client VM 1.5.0_09 Freerails build 20060903-0355 compiled by Luke Address already in use: JVM_Bind at Method) at Source) at Source) at<init>(Unknown Source) at<init>(Unknown Source) at<init>( at jfreerails.launcher.Launcher.prepare2HostNetworkGame( at jfreerails.launcher.Launcher.nextButtonActionPerformed( at jfreerails.launcher.Launcher.access$100( at jfreerails.launcher.Launcher$5.actionPerformed( at javax.swing.AbstractButton.fireActionPerformed(Unknown Source) at javax.swing.AbstractButton$Handler.actionPerformed(Unknown Source) at javax.swing.DefaultButtonModel.fireActionPerformed(Unknown Source) at javax.swing.DefaultButtonModel.setPressed(Unknown Source) at javax.swing.plaf.basic.BasicButtonListener.mouseReleased(Unknown Source) at java.awt.Component.processMouseEvent(Unknown Source) at javax.swing.JComponent.processMouseEvent(Unknown Source) at java.awt.Component.processEvent(Unknown Source) at java.awt.Container.processEvent(Unknown Source) at java.awt.Component.dispatchEventImpl(Unknown Source) at java.awt.Container.dispatchEventImpl(Unknown Source) at java.awt.Component.dispatchEvent(Unknown Source) at java.awt.LightweightDispatcher.retargetMouseEvent(Unknown Source) at java.awt.LightweightDispatcher.processMouseEvent(Unknown Source) at java.awt.LightweightDispatcher.dispatchEvent(Unknown Source) at java.awt.Container.dispatchEventImpl(Unknown Source) at java.awt.Window.dispatchEventImpl(Unknown Source) at java.awt.Component.dispatchEvent(Unknown Source) at java.awt.EventQueue.dispatchEvent(Unknown Source) at java.awt.EventDispatchThread.pumpOneEventForHierarchy(Unknown Source) at java.awt.EventDispatchThread.pumpEventsForHierarchy(Unknown Source) at java.awt.EventDispatchThread.pumpEvents(Unknown Source) at java.awt.EventDispatchThread.pumpEvents(Unknown Source) at Source)