MIT Technology Review @techreview
The Russian RD-80 rocket engine is the bar against which SpaceX and BlueOrigin measure themselves. Here’s the story of the decades-old design and how SpaceX’s Raptor and BlueOrigin’s BE-4 are like an attempt to build a better violin than Stradivarius di... https://t.co/jMwkqs7dAn — PolitiTweet.org
