World's smallest autonomous submarine

A new era of oceanic discovery, with potential applications ranging from shipwreck recovery, to mineral exploration, to search and rescue missions may be possible with the development of the world’s smallest autonomous underwater vehicle at The Australian National University. The Serafina is 40 centimetres long, with five propellers and a plastic hull crammed with rechargeable batteries and circuitry. The craft is able to travel at a relatively fast underwater speed of one metre per second — equivalent to fast walking pace — but can also hover, tilt and right itself if overturned.

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<p><a href="http://www.physorg.com/news580.html">World's smallest autonomous submarine</a></p> <p>A new era of oceanic discovery, with potential applications ranging from shipwreck recovery, to mineral exploration, to search and rescue missions may be possible with the development of the world’s smallest autonomous underwater vehicle at The Australian National University. The Serafina is 40 centimetres long, with five propellers and a plastic hull crammed with rechargeable batteries and circuitry. The craft is able to travel at a relatively fast underwater speed of one metre per second — equivalent to fast walking pace — but can also hover, tilt and right itself if overturned. <br /></p>