OPEN PROBLEMS

under construction



 Puzzle 1: Pythagoras, Fermat, and Wiles

Puzzle 2: Steam Engine

Puzzle 3: Lenses, Telescopes, Microscopes

Puzzle 4: Electricity & Magnetism



(c) 2011, 2012, 2013, 2017,2019 ARCHSIX.COM  (for ARCHSIX CREATED MATERIAL)