IPFS News Link • Science, Medicine and Technology
Beam propulsion background and Breakthrough starshot update
• https://www.nextbigfuture.com, brian wangIt could be 6 to 100 times cheaper.
Most of the rocket becomes payload.
DARPA funded developing a heat exchanger for direct energy.
They tested a microwave beam director for a 100KW microwave source.
The Breakthrough starshot update was the cost and engineering system model. This was covered by Nextbigfuture.