Still, there are a few missteps: The first few scenes could absolutely use some trimming, and the first half hour runs on impulse power rather than warp.

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And there is the graver case of children who are faced with the uncompromising reality of the drive for sex, power and respect, without the expertise and impulse control it takes to ward off unwanted pregnancy or violence.

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Its creators say the Solar Impulse is designed to showcase the potential of solar power and will never replace fuel-powered commercial flights.

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The idea is that Solar Impulse will take off and fly under its own power using electricity from the 11, 628 solar cells covering the upper surfaces of its wings and tailplane.

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