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"The Hypnotic Wavy Fins on This Swimming Alien-Like " Topic


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350 hits since 12 Jun 2018
©1994-2018 Bill Armintrout
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Tango0112 Jun 2018 10:01 p.m. PST

… Robot Make It Agile as Hell

"Replicating the complicated muscle structure that allows fish to wiggle their bodies and dart through the water is no easy feat. But not every underwater creature moves that way. Cuttlefish instead use long fins that undulate in waves to propel themselves, which is an approach that robotics maker Festo found relatively easy to replicate.

Festo's new BionicFinWave robot isn't the first underwater automaton that replicates the movements of creatures like cuttlefish or marine planarians. Robotics engineers have been working to replicate Mother Nature's designs for decades, and when it comes to swimming, the undulating fin approach is one of the easiest…."
See here

link


Amicalement
Armand

Personal logo Cacique Caribe Supporting Member of TMP12 Jun 2018 10:10 p.m. PST

Some species of the Spanish dancer sea slug can be quite agile:

picture

Others, not so much:

picture

Even with segmented armor, the right undulating motion can be very effective if timed right. Behold the ancient opabinia and the anomalocaris:

picture

picture

picture

Dan

Personal logo StoneMtnMinis Supporting Member of TMP13 Jun 2018 6:28 a.m. PST

I like the undulating motion of these much better. grin

YouTube link

Dave

Oberlindes Sol LIC13 Jun 2018 10:55 a.m. PST

Good call, Dave.

Tango0113 Jun 2018 11:24 a.m. PST

I like it!!….(smile)

Amicalement
Armand

Personal logo Cacique Caribe Supporting Member of TMP13 Jun 2018 2:10 p.m. PST

This is more hypnotic, but in a creepy sort of way:

YouTube link

Dan

picture

Tango0114 Jun 2018 11:12 a.m. PST

Dude!!!!!!!!…. (smile)


Amicalement
Armand

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