Resurrecting the mighty F-1 engines used by the Saturn V and the Apollo missions. http://arstechnica.com/science/2013/04/how-nasa-brought-the-monstrous-f-1-moon-rocket-back-to-life/ I thought this was interesting in the team had to plow through the different engineering cultures of 1968 and 2012.
NASA gave a museum in Sydney one of those engines for display. You could stand under the nozzle and look up. When you do that you realize what absolute brutes those engines where
Did you read the link? They made an amount of power equivalent to all the electrical power used in the United Kingdom. The old boys with the skinny ties, pocket protectors, and slide rules knew what they were doing. I'm glad to see their work being dusted off and used again.
