Question
Question
What propulsion mechanism will launch a payload into space at a cost of < $100/kg first?
Forecast Timeline
Total Forecasters 21
Make a Prediction
| Candidates | My Prediction | Me | ||
|---|---|---|---|---|
Conventional | 81.8% | |||
Non-electromagnetic projectile | 2.3% | |||
Air-breathing | 2% | |||
Nuclear propulsion | 1.9% | |||
Electromagnetic | 1.4% | |||
Thermal rockets | 1.2% | |||
Other | 1.1% | |||
Beamed energy | 1% | |||
Space elevator | 1% | |||
Total: ?
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