Robo-Gecko Climbs Glass 143
galactic_grub writes "Researchers at Stanford have developed a robot that mimics the extraordinary climbing skills of the Gecko. These creatures can climb sheer surfaces thanks to the intermolecular forces exerted by millions of tiny hairs their feet, called setae. The robot, Stickybot, has polymer pads on its feed with synthetic setae. Check out the video of it climbing up a sheet of glass."
The Article. Shocked this is new (Score:3, Informative)
A GECKO-like robot with sticky feet could soon be scampering up a wall near you. See a video of the robot in action here (24MB mov file). Geckos can climb up walls and across ceilings thanks to the millions of tiny hairs, or setae, on the surface of their feet. Each of these hairs is attracted to the wall by an intermolecular force called the van der Waals force, and this allows the gecko's feet to adhere. Stickybot, developed by Mark Cutkosky and his team at Stanford University in California, has feet with synthetic setae made of an elastomer. These tiny polymer pads ensure a large area of contact between the feet and the wall, maximising the van der Waals stickiness. The Pentagon is interested in developing gecko-inspired climbing gloves and shoes. Cutkosky says a Stickybot-type robot would also make an adept planetary rover or rescue bot. Frankly, I cant believe this tech couldnt have been done already, even twenty or thirty years ago. I have to imagine we've had the tech to do adhesiveness on demand based on an external stimuli ( such as electricity ) for many years. We have had the ability when the opposite material is metal since atleast the beginning of the space race, but even sticking to any surface on demand shouldnt be too difficult.
My question is, does the armies interest stem from creating an army of spidermen?
Re:Obligatory (Score:1, Informative)
Re:Obligatory (Score:5, Informative)
Already invented... you're looking for Fluoroplastic Paint [daikin.co.jp].
video url (Score:5, Informative)
here's the video URL:
http://bdml.stanford.edu/twiki/pub/Main/StickyBot
Re:The Article. Shocked this is new (Score:5, Informative)
Actually, this isn't new. It's been done before (Score:3, Informative)
http://www.berkeley.edu/news/media/releases/2002/
http://www.sfgate.com/cgi-bin/article.cgi?file=/c
http://www.newscientist.com/article.ns?id=dn3785 [newscientist.com]
This isn't anything new. It just hasn't become useful enough to be adapted publicly.
Re:Obligatory (Score:3, Informative)
Chemically, Teflon is polytetrafluoroethylene or PTFE, a carbon chain with flourine occupying all other bonding (polyethylene, one of the simplest synthetic polymers, is a carbon chain with hydrogens). The carbon-fluorine bond is particularly strong, resulting in the non-stick properties. I'd assume the chemical properties of Fluorplastic paint to be similar to those of PTFE. I recently read a newspaper article that gave light descriptions of how PTFE was bonded to various types of cooking ware (can't remember it... grr). I believe one method, prone to scratching from metal utensils, is to create a porous aluminum pan that PTFE strands then become physically entangled with. I wonder what strategy this paint is using. Presumably it's a PTFE-laced slurry, or perhaps it uses polymers similar to PTFE that have additional functional groups that can then bond to surfaces: PTFE on one side, sticky on the other?
Re:The Article. Shocked this is new (Score:2, Informative)
Late April fools? (Score:2, Informative)
Although i think this is a cool bot in itself, I never trust anything released on April 1st
This works even better than the article says (Score:5, Informative)
Here's the web site for the project. [stanford.edu]
They have a new and powerful fabrication technique, too. They use a stereolithography machine to make their parts, but they use it in an unusual way. They use a machine that's intended to make multicolored objects from several different colored materials, and load it up with materials with different physical and electrical properties. So they can make a one-piece 3D part with soft parts and hard parts, or insulating parts and conductive parts. This is the beginning of a whole new kind of fabrication, which is what Cutkowsky is really into.
Re:The Article. Shocked this is new (Score:2, Informative)
I would like to point your attention to this article:
http://en.wikipedia.org/wiki/Glass#Glass_as_a_liq