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 [RL] I think they are nerfing muscle replacement in SR |
  Dec 23 2013, 02:06 PM
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#1
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Shooting Target  Group: Members Posts: 1,840 Joined: 24-July 02 From: Lubbock, TX Member No.: 3,024  |
http://zeenews.india.com/news/science/new-...ger_898298.html
"Researchers with the Lawrence Berkeley National Laboratory in US demonstrated a micro-sized robotic torsional muscle/motor made from vanadium dioxide that is able to catapult very heavy objects over a distance five times its length within 60 milliseconds. " |
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Dec 23 2013, 02:32 PM
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#2
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Neophyte Runner Group: Members Posts: 2,186 Joined: 9-February 08 From: Boiling Springs Member No.: 15,665 |
How much would you have to augment the human to actually USE that level of strength?
The cyber designers, of course, dial it back and then strengthen the metahuman meat to actually use the new "muscle". |
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Dec 23 2013, 03:56 PM
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#3
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Immortal Elf Group: Members Posts: 10,289 Joined: 2-October 08 Member No.: 16,392 |
QUOTE (KCKitsune @ Dec 23 2013, 09:32 AM)  How much would you have to augment the human to actually USE that level of strength? Not to mention avoid breaking the user's bones. |
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Dec 24 2013, 01:41 PM
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#4
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Runner Group: Dumpshocked Posts: 3,038 Joined: 23-March 05 From: The heart of Rywfol Emwolb Industries Member No.: 7,216 |
well will withhold judgement until they do a larger scale model.
Just like insect can do prestigious feats at the micro level, most structures face other challenges when scaled up. Still, a good step forward in possible musculature projects. |
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Dec 25 2013, 04:30 PM
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#5
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Great Dragon Group: Members Posts: 7,089 Joined: 4-October 05 Member No.: 7,813 |
yeah, important thing to realize:
strength increases relative to cross-sectional area. mass increases relative to volume. which means that if you double all dimensions, you get quadruple the strength... but are lifting 8 times as much, meaning if you could previously move double your mass at the smaller size, you are now only able to move your mass. so, ummm.... don't get too excited just yet. it's entirely possible that the same thing, when made the size of a human arm, is either no stronger than, or even weaker than, the actual human arm. |
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Dec 25 2013, 11:23 PM
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#6
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Old Man of the North Group: Dumpshocked Posts: 8,705 Joined: 14-August 03 From: Just north of the Centre of the Universe Member No.: 5,463 |
QUOTE (Jaid @ Dec 25 2013, 11:30 AM) yeah, important thing to realize: strength increases relative to cross-sectional area. mass increases relative to volume. which means that if you double all dimensions, you get quadruple the strength... but are lifting 8 times as much, meaning if you could previously move double your mass at the smaller size, you are now only able to move your mass. The mass increase is of the material itself, not the object it is moving. So, yes, the artificial muscle itself would be 8 times as massive, but its mass is tiny compared to the mass of the objects it is purported to be able to move. |
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Dec 26 2013, 01:53 AM
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#7
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Target Group: Members Posts: 13 Joined: 28-February 11 Member No.: 22,955 |
We're still a little off from the promised land on this though. Vandium Dioxide does not start conducting until 67 degrees C which is about 152 F. Too hot to put into a body without some sort of massive heat sink, but it's still very neat and promising.
-LZ |
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Dec 26 2013, 05:30 AM
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#8
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Immortal Elf Group: Members Posts: 10,289 Joined: 2-October 08 Member No.: 16,392 |
QUOTE (pbangarth @ Dec 25 2013, 06:23 PM) The mass increase is of the material itself, not the object it is moving. So, yes, the artificial muscle itself would be 8 times as massive, but its mass is tiny compared to the mass of the objects it is purported to be able to move. It's still a sub-linear increase in strength as you scale up. It's not something you can just get around with better physics, it's actually a mathematical limitation. Just like there being a finite amount of bandwidth. |
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Dec 27 2013, 10:46 AM
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#9
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Moving Target Group: Members Posts: 973 Joined: 8-January 10 Member No.: 18,018 |
Muscle replacement just sucks in 4th and 5th edition.
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Jan 22 2014, 02:36 PM
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#10
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Running Target Group: Dumpshocked Posts: 1,003 Joined: 3-May 11 From: Brisbane Australia Member No.: 29,391 |
QUOTE (Draco18s @ Dec 24 2013, 01:56 AM) Not to mention avoid breaking the user's bones. Bone lacing can solve that problem (depending of course on lacing material). |
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