clipped from environment.newscientist.com Power-generating buoys shelter in the deep They look a bit like underwater mines, but they have a far less sinister purpose – the first of these submarine wave-energy devices should sprout up off the UK coast in 2008. AWS Ocean Energy has developed an underwater buoy that harnesses wave energy from 50 metres below the surface. The British company says that because the entire device is underwater, it does not suffer from storms in the way that other wave-power devices do, and will not interfere with shipping.