• HelioTrak Solar Tracking Device
  
• Build a Cardboard Camera Obscura
  
• DIY Hand Sanitizer Formula
  
• Atari computer games from the 1980s
• Electric circuits and the hydraulic analogy
  
• Scale model pinhole camera
  
• Science: Weightlessness Altitude
• Science: Astatine Content of a Uranium Ore Rock
  
• How to convert WordStar files to Microsoft Word
• How to report ESPP sales in TurboTax
  

Just send an e-mail to: DogDazeNow [at] gmail [dot] com

Go to my mailbag page to see some of the e-mail I've received about my Atari computer games. 

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