Roger McGuinn of The Byrds says there are fewer protest songs because there are more bloggers now.
Folk America, Barbican, London EC2 (020-7638 8891), Jan 21-22.
Robots with squidgy paws could navigate uneven terrain
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A robot paw made from half a silicone ball could help robots keep their
footing, thanks to an internal camera that monitors how its shape deforms
2 hours ago
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