A 20% margin would reduce space-access costs immensely.
We use exotic alloys, explosive fuels and precision machining because we need to reduce weight to the structural limits. If we hadn't, space access would be cheaper and safer.
Sadly, Earth has just enough gravity to ruin our day.
We use exotic alloys, explosive fuels and precision machining because we need to reduce weight to the structural limits. If we hadn't, space access would be cheaper and safer.
Sadly, Earth has just enough gravity to ruin our day.