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The world's largest aircraft breaks cover in Silicon Valley
(techcrunch.com)
This is a most excellent place for technology news and articles.
Pathfinder 1 is only built at 1:10 scale though, so it's actually much larger than Cargolifter.
The article states Pathfinder 1 is 124 m long, but does not say that its a 1:10 model. However, Cargolifter CL160 would have been 260 m long.