Enter the unconventional Horten brothers, who were at work on one such weapon.
让我们走进非同一般的霍顿兄弟(Horten brothers)，他们曾致力于一件这样的武器。
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"When I talked with Walter Horten in the 1980s and '90s he always referred to his aircraft as low-observable," said Myhra, a former aerospace scientist.
The construction team embraced historic materials and techniques, and the Horten 2-29 replica, like the original, is made largely of wood and bonded with glue and nails.