the.com/wheelbarrow
One wheel, two handles, and the reason ancient empires didn't throw their backs out.
chinese originInvented in China around 100 AD, kept military secret
poem fameWilliam Carlos Williams made one immortal in 16 words
lever logicSingle front wheel multiplies your lifting power
battlefield useHan armies hauled supplies on wheelbarrows for centuries
name truthBarrow comes from old English for carrying, not the wheel