Space
2011 preview: Private space flight takes off
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Lost in Space-Time
Each month, we hand over the keyboard to a physicist or mathematician to tell you about fascinating ideas from their corner of the universe. You can sign up to the Lost in Space-Time newsletter here.
Space
Probe fails to orbit Venus and flies into space
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Space
'Lightfoil' soars on a stream of photons
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Space
Politics should not dictate design of NASA rockets
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Space
Comet caught throwing basketball-sized snowballs
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Technology
Mirror trick could boost Blu-ray discs
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Space
Over-budget telescope threatens other projects
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