Until recently, rocket science was considered the exclusive domain of governments. Only powerful states had the know-how and resources required to launch a rocket into the cosmic ocean. When Elon Musk began shopping for a rocket that he could launch to Mars, he quickly realized that the price was astronomical--as high as $65 million (and he would have needed at least two, bringing the cost to $130 million). Additionally, this price tag was for the rocket alone. He also would have had to pay f...
