Life
Replica butterfly flies just like the real thing
Powered only by an elastic band, the life-size model is the first to mimic butterfly flight properly
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Technology
Wanted: hard facts on how volcanic ash affects jets
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Space
Scramjet with stamina ready for hypersonic test
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Technology
Engine strip-downs establish safe volcanic ash levels
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Earth
Can we fly safely through volcanic ash?
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Environment
Early birds may have dropped teeth to get airborne
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Technology
Solar-powered night-flying plane makes its first ‘flea hop’
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Technology
Networked surveillance minicopters can’t be kept down
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Space
Virgin Galactic adds satellite launches to space tourism
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