26th Dec 2010

Egyptian Pyramid: Only 100 People Lifting Stones

Did space people help build the great pyramids? No it was people and rope. I devised an efficient way of lifting the blocks using just wood and ropes. I’m not...

12th Dec 2009

Coal Miner vs. Social Network

One question I’m sure a lot of us ponder at times is this: “How much coal can one move in a day’s work?” One approach is to take a look...