Topology has real implications in the world. For example, topological techniques can be brought to bear on calculating the trajectories of spacecraft, and missions have been saved by the efforts of ...
Flower 3D rose pendant - How to make handmade jewelry - wire wrap jewelry making This 3D rose has been requested many times.
Full tutorial video link above the title wire size to make flower 3.5cm diameter (can + a few centimeters to depreciate) 22 ...
Mathematician Grigori Perelman solved the Poincaré conjecture, and then rejected the $1 million prize that came with it.