Browsing the Plus Magazine site recently, I was struck the proof of Pythagoras’ Theorem shown in the animation below:
Not just because it is an elegant proof, but also because of the author, the 20th President of the United States, James Garfield.
Recent Comments
Jose Luna on More updates to ArcSpline and… 
Lucas Beattie on Drawing in Excel – … 
marcengineer on More on combined shear and ben… 
dougaj4 on More on combined shear and ben… Marc on More on combined shear and ben… 
Sukrit Ghorai on Biaxial bending update dougaj4 on Biaxial bending update Sukrit on Biaxial bending update A not so easy proble… on Pint, MPmath and implied units… dougaj4 on ULS design of circular reinfor… 
Dakota on ULS design of circular reinfor… 
Marcus747 on Commenting a block of code in… dougaj4 on Biaxial bending update Sukrit on Biaxial bending update 
DT67 on Using ConbeamU
Newton Excel Bach, not (just) an Excel Blog 