If one visualizes the recoil action of large guns on ships as they fire, that is perhaps what the EA (export apparatus) is doing for the T3SS.
Loeb describes his journey to a radical position on the strange interstellar visitor that’s been dubbed ‘Oumuamua.
As technology mimics nature, at what point might future investigators be unsure about natural versus intelligent causes?
Here’s a case where astronomers ruled out intelligent causes, despite their initial excited hopes.
How much do you have to know to make a design inference?