https://i.hizliresim.com/mJZb91.jpg

Gecko is some kind of lizard. Gecko lizards can climb a flat wall without using a sticky secretion. These features have inspired scientists to produce new adhesive materials. Today, we are trying to use gecko lizards in various areas, imitating what has been around for millions of years on their feet.

Gecko lizards have hundreds of thousands of hairs called 'Seta' on their feet. Each set is about 1 mm long and 5 μm in diameter. 'Seta' 'are covered by hairs that are 200nm in length and smaller than 10nm in diameter. "1" These hairs are 10 times more intact than human hair and appear to be bifurcated and further tapered under the microscope. The tips of these hairs are so incredible that they interact with the surface of the lizard at the molecular level

https://i.hizliresim.com/1G0bAp.jpg

The force resulting from the molecular interaction is Van Der Waals force. Van der Waals forces are transient forces that originate from the instantaneous sequence of electrons between molecules or atoms. It's much weaker than other chemical bonds. Although this force is weak, "2 million feelings" on the feet of gecko's 3 each support Gecko's grip on the wall. The elasticity of these hairs is another effect that increases the surface area and hence the adsorption.

The quick attachment of the gecko to the surface they are climbing off quickly occurs when Van der Waals bonds are quickly established and destroyed. From this information, we can say that gecko lizards can only climb walls, floats and even wet surfaces, thanks to only temporary physical forces.

Scientists are trying to develop gecko lizards that mimic these extraordinary features. They have been able to synthesize natural hairs on the feet of lizards synthetically with nanotechnology and produce materials with the same gravitational force.


https://i.hizliresim.com/6yGBjP.jpg

However, the production cost of nanomaterials produced is high and the strength is low. It also loses its grip on wet floors. "The artificial gecko feet have hairs with a pulling force of 40nN each with a length of 600nm and a diameter of 400nm. The hairs of these hairs fall down to 6nN in the wet zone and stay at 7 inches. Geckolar can drain the water from the channels between the hairs to maintain gravity. The gravitational pull of gecko feet on a totally dusty and muddy surface is surprisingly high. Because foreign particles adhering to gecko's feet stick to the surface even more strongly. Therefore, geckos do not need to clean their feet. "4 That is, the artificial material we produce from nature is far behind the original.
https://i.hizliresim.com/V3ROjn.jpg

What Fields Can Be Used?

An AR-GE study at Stanford University produced a robot that used artificial gecko feet.5 This robot is able to climb through flat walls and glass surfaces. This robot is aimed at reaching unreachable spots in search and rescue operations. This robot performs better than other wall-climbing robots. "Other robots move more slowly because they use sticky chemical materials or vacuum, but the Gecko robot can quickly stick to the surface and separate from the surface. The artificial gecko feet do not leave traces behind because they do not contain any chemicals. "6 In the next step, they want to make people climb the wall with the Z-MAN project.

Considering this project carried out at Stanford University, my mind as the use area of ​​gecko technology comes first from robots and military industry. In addition, medics can use more than one area for space technology.

For example, in a design competition organized by Tedyouth, Harry received awards by covering his car seats with gecko adhesive technology and proposing to remove the seatbelt.7

A study conducted by Robert Langer and Jeff Karp at MIT University aims to produce medical bandages that do not harm tissue but harmonize with gecko technology.8

Other than that, gecko technology can be used to "make it easier for astronauts to walk in gravitational environments" 9.

As a result, scientists come from imitating the perfect examples of solutions found in nature, above the problems they face in nature. You can find many examples on page 10 of the Biomimicry Institute to see in which areas Gecko technology or technologies based on nature are used.


resources
1http: //rosslockwood.com/science/gecko-feet-and-nanotechnology
2http: //news.stanford.edu/news/2010/august/gecko-082410.html
3https: //www.youtube.com/watch? V = tlyvs1ckdzm
4http: //rosslockwood.com/science/gecko-feet-and-nanotechnology
5https: //www.youtube.com/watch? V = o5lmjtqoksy
6http: //news.stanford.edu/news/2010/august/gecko-082410.html
7https: //www.youtube.com/watch? V = tlyvs1ckdzm
8http: //www.karplab.net/portfolio-item/gecko-adhesiv to
9http: //web.stanford.edu/group/mota/education/physics%2087n


https://steemit.com/llife/@kahkaha/large-loads-on-small-shoulders
https://steemit.com/health/@kahkaha/dangerous-side-effects-of-smoking
https://steemit.com/photo/@kahkaha/photos-taken-at-different-times
https://steemit.com/domino/@kahkaha/the-domino-effect
https://steemit.com/photos/@kahkaha/the-10-best-photos-at-any-point-taken-without-photoshop

I expect your comments