“We couldn’t have made the engine itself—it would have melted down into slag if we had tried to produce it five years ago,” O’Banion said. “But now we can _digi

“We couldn’t have made the engine itself—it would have melted down into slag if we had tried to produce it five years ago,” O’Banion said. “But now we can _digitally print that engine_ with an incredibly sophisticated cooling system integral into the material of the engine itself and have that engine survive for multiple firings for routine operation.” They made a computer model that wouldn't immediately destroy itself. Let's calm down a bit.