The Pocket Physicist - Wallet Ruler and Unit Conversion Reference

Tackle your physics problems with blazing efficiency. 

Packed with features in laser-cut stainless steel the size of your credit card:

• 17 physicist unit conversions including pressure, temperature, and energy
• 24 equations from Snell's Law to Maxwell's equations
• 30 physical constants to save physicists time looking up references 
  
• Doubles as a pocket ruler and protractor
• Appropriate gift for physicists or physics majors grades 12 to professional
• Here's how to use me!