Stealth bombers are not invisible—far from it, in fact. The Northrop Grumman-designed B-2 Spirit has a hard-to-ignore 175-foot wingspan and a thin, disk-like silhouette that makes it look like a cross between a stingray and an alien craft from a summer blockbuster.
More » Source: http://gizmodo.com/5853031/how-stealth-works
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