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!