Who has seen the wind? A Poem by Christina Rossetti www.poetryfoundation.org Who has seen the wind? Neither I nor you: But when the leaves hang trembling, The wind is passing through. Who has seen the wind? Neither you nor I: But when the trees bow down their heads, The wind is passing by. The Wind Rises windtreesseeing
Grain Shapes and Other Metallurgical Applications of Topology An Essay from A Search for Structure by Cyril Stanley Smith The boundary can tell much about what is inside topologymetal