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Mechatronics

Bionic Man Shows What’s Humanly Possible With Artificial Medical Technology

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etmax
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Re: Impressive project and progress
etmax   12/26/2013 8:38:53 PM
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@Greg, There are developments happening in that area. I read something about 12 months ago and a colleague has developed a system for measuring the energy generated at the synapse but it is short lived. Apparently the nature of nerves makes it difficult. While Titanium has excellent biocompatibility and actually bonds with bone (why it's used in dental & bone inserts) what I've read with regard to nerves didn't mention it. I'll try and relocate that article.

William K.
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Re: The project is indeed very impressive.
William K.   12/24/2013 10:19:01 PM
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etmax, what we can learn about some of these things gone so wrong is that if they ever do appear, that we should use all our resources to destroy them before they adapt. Some inventions are just plain bad choices from one end to the other.

William K.
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Re: Impressive project and progress
William K.   12/24/2013 10:15:43 PM
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Greg, a surgeon frind ofmine has mentioned tantalum being used in some applications, and I believe that titanium is used in a number of artificial joints. But chunks of steelembedded in ones body are sore until they are removed, so I guess that steel would be a bad choice for implants, possibly why it is used in fragmentation weapons.

Greg M. Jung
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Re: Impressive project and progress
Greg M. Jung   12/24/2013 4:46:35 PM
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Thanks etmax for the insight.  Was not aware of the effect of chemical poisoning of metal over time.  Are there other organic materials being developed that could reduce this effect?

etmax
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Re: The project is indeed very impressive.
etmax   12/23/2013 11:45:31 PM
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I think the reason why the Daleks are such an undesirable incarnations of these ideas is because a mad scientist who's sole purpose was to create an army of solders with a hive mind to obey and commit genocide against the other inhabitants of the planet Skaro after a prolonged war that included nuclear and in the case of the Cybermen created them.

The Cybermen havea a few less clear cut origins but none reflect the altruistic drive behind cyber augmentation in humans as we know it.


While that it no guarantee cyberment or Daleks won't be eventually created, luckily the laws of physics will prevent such creatures from being much more than a nuisance

etmax
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Re: Impressive project and progress
etmax   12/23/2013 11:28:24 PM
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Thanks for another interesting article, and one that's for years interested me. Ann's question about human vs. machine control of these artificial appendages is one that's plagued the industry since it's inception, pretty much all electronic to nerve connections suffer from chemical poisoning over time making them less effective. The problem is probably the electrical gradient between biochemical cells and metals used for contact. Even gold being completely innert still disrupts performance over time. The person who solves that will win a Nobel prize.

The means of processing other signals through the skin into limb controls while a challenge didn't hold things up for too long. Because of this virtually all actuated limbs use the sensing of nerve signalling through the skin or pressure sensing from muscles and the reliance of humans to learn to use these methods as their approach, certainly liberating but lacking the "Star Wars" level of perfection.

JimT@Future-Product-Innovations
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Re: Impressive project and progress
JimT@Future-Product-Innovations   12/23/2013 3:32:47 PM
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"Steve Austin, astronaut. A man barely alive. Gentlemen, we can rebuild him. We have the technology. We have the capability to build the world's first bionic man. Steve Austin will be that man. Better than he was before. Better, stronger, faster." Oscar Goldman; Chairman of the OSI.

mrdon
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Re: Impressive project and progress
mrdon   12/22/2013 10:53:22 PM
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William K

I agree but the approach I take is to show how analog and digital circuits can aid the Arduino. I like to discuss with my students the importance of how a sensor which may provide an output signal in millivolts can be enhanced using a 741 op-amp to scale the voltage to the proper level so the Arduino can process properly it using embedded software. I'm a traditionalist when it comes to teaching the fundamentals of electronics. 

William K.
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Re: Impressive project and progress
William K.   12/22/2013 9:56:29 PM
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One does NOT learn electronics with Arduino, one learns about programming microcontrollers and using a bit of I/O to avoid having to understand any electronics. At least that is what I see with all of the published projects.

mrdon
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Re: Impressive project and progress
mrdon   12/21/2013 4:02:02 PM
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JimT

Now there's an original name for a Bionic Man: "Steve Austin". No, the name  doesn't have the unique quality as "Frank". LOL 

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