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. "
Full Version: [RL] I think they are nerfing muscle replacement in SR
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".
The cyber designers, of course, dial it back and then strengthen the metahuman meat to actually use the new "muscle".
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.
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.
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.
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.
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.
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.
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.
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
-LZ
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.
Muscle replacement just sucks in 4th and 5th edition.
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).
This is a "lo-fi" version of our main content. To view the full version with more information, formatting and images, please click here.