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Barbarity
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No maths required?
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Be sincere and specific; don’t boost self-esteem. Has the ring of truth about it to me
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A more positive take on the hydrogen economy than the one in the recent New Atlantis feature
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And here, for completeness’ sake, is that New Atlantis feature
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Wile E Coyote et al under the skin
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An old favourite: the 2D version
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Orion: yes, it’s like Apollo, but there are some twists