IsaacArthur

Hardcore space engineering and futurism, unpacking propulsion, signals, black holes; claims are refutable.

Deep reads here1 / 15 episodes

Cadence~1 every 2.0 days

Latest2026-09-06

TopicsScience & Medicine

PriorityT3

IsaacArthur 0906

Ion Drives: The Slow Rockets That Win Space

A rocket doesn't have to be violent to be good. An ion engine pushes with about the force of a sheet of paper, but it can run continuously for years, using very little propellant to accumulate speeds chemical rockets cannot reach — which makes it the workhorse of space logistics.

8 Points 5 Quotes Ion propulsionElectric propulsion