Despite the $100 million Breakthrough Starshot pledge, public accounting shows less than $10 million spending. Philip Lubin (UC Santa Barbara, laser propulsion) received ~$200,000 over eight years. This was less than his NASA grants for similar work. There is an estimate of 30 contracts totaling $4.5 million. Scientists viewed this as a kickstart. Breakthrough’s name ...

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Link :
https://www.nextbigfuture.com/2025/10/why-breakthrough-starshot-has-faded-away.html