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Rob Spiegel
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Jellyfish robot video is great
Rob Spiegel   4/16/2013 3:33:55 PM
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Nice story, Ann. I particularly liked the video. What a thing of beauty. Yet another example of taking existing movements in nature and applying them to robotics.

Ann R. Thryft
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Re: Jellyfish robot video is great
Ann R. Thryft   4/16/2013 5:45:36 PM
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Thanks, Rob. The Virginia Tech jellyfish may not be as elegant as the Festo AirJelly, but it seems more realistic to me.

Charles Murray
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Re: Jellyfish robot video is great
Charles Murray   4/16/2013 6:55:40 PM
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I agree, Ann. It's more realitic than the Festo jellyfish, and a whole lot bigger. Watching the video, you'd think this giant jellyfish was real if you couldn't see the control mechanisms on the bottom side.

Elizabeth M
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Re: Jellyfish robot video is great
Elizabeth M   4/17/2013 8:01:10 AM
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This again is another example of a more "beautiful" robot...though a bit scary, too! Not sure I'd want to encounter a human-sized mechanical jellyfish in the sea (where I spend a lot of my time). But in all seriousness, this is really cool...and its aim is a good one as well.

CLMcDade
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Gold
making a meal?
CLMcDade   4/17/2013 10:52:21 AM
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Hi Ann - another inspired project and another inspiring article.

Biomimicry really has taken amazing strides recently.  At some point, the developers will have to remember that almost all creatures have natural nemeses.  So making a really large natural looking jellyfish robot may shorten its useful life because it may look a like a nice meal to a passing sea turtle.

Or in the case of the dragonfly robot, a passing bird.

Ann R. Thryft
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Re: Jellyfish robot video is great
Ann R. Thryft   4/17/2013 12:14:33 PM
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I had the same reaction, Chuck--aaack!

William K.
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Gold
Jellyfish robot directional control
William K.   4/17/2013 4:08:46 PM
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What a great piece of engineering, it certainly mimicks a real jellyfish in motion. My question is about directional control and how does it steer, which are not so very obvious. But I can see that it could run for quite a while, since it does not need to run to stay afloat.

Ann R. Thryft
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Re: Jellyfish robot video is great
Ann R. Thryft   4/18/2013 11:34:00 AM
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Elizabeth, if I spent a lot of time in the ocean I would definitely not want to meet this guy out there.

Ann R. Thryft
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Re: making a meal?
Ann R. Thryft   4/18/2013 11:34:46 AM
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Clinton, thanks for your comments (and for using the correct plural of a Greek word: nemesis, pl. nemeses). You bring up an interesting point that some other commenters have mentioned: what about predators thinking that a realistic robot is potential food? This jellyfish is bigger than most, if not all, sea turtles, but a killer shark could be a problem.

Cabe Atwell
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Blogger
Re: making a meal?
Cabe Atwell   4/18/2013 8:07:13 PM
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Is this the most efficient sea locomotion? It seems that way in some aspects.

I see a lot of research money going into robotics.. The best thing I have in my home in 2013 is a wheeled vacuum cleaner bot.

C

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