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The latest inventions of Scientific Research and New fresh

There is always something new happening in the world of science. In fact, there are so many new discoveries science and inventions, it is virtually impossible to keep abreast of all new information. These are some really cool new inventions that are in development.

Flying beetles use for search and rescue

New research, funded by the Defense Advanced Research Projects Agency (DARPA) has shown how the flying beetles may one day be used for surveillance or search and rescue and similar missions.

Michel Maharbiz is trying to take advantage of the natural capacity of the beetle by fusion of insect and machine. The team has controlled wirelessly to a beetle giant flower with implanted electrodes and a radio receiver in the back. With a nearby computer that can send wireless signals to beetle including commands to launch, put in place, turn left, turn right and land.

Oscillating electrical pulses delivered to optic lobes activation beetle take-off, while a short pulse of a single flight leaves. By sending electrical signals to the left or right basilar flight muscles on the right spin or left of the animals, respectively.

The reason behind the selection of giant beetle is the flower that is big and can carry a payload heavy. It would have to take a camera and a heat sensor to search and rescue missions, for example.

Artificial gecko feet using carbon nanotubes

Scientists have been trying to duplicate the stickiness of gecko feet for years without success. Liming Dai, a professor at the University of Dayton, and Zhong Wang, director of the Center for Nanostructure Characterization at Georgia Tech, has developed a new adhesive that mimics the structures on gecko feet.

Gecko feet are covered with millions of micro-scale hairs that branch into even smaller hairs. The hairs have a weak electrical interaction a surface, and added to a force more foot area.

Research came up with an adhesive made of carbon nanotubes whose structure resembles lot at the foot of gecko. The material is 10 times more adhesive than the feet of geckos and is easy to build a backup.

Dai group, using a substrate silicon arrays grown vertically aligned carbon nanotubes coated with a layer of aligned nanotubes, like rows of trees with branching tops. The force adhesion of these arrays of nanotubes is very strong, about 100 newtons per square centimeter. That's enough for a 0.15 inch x 0.15 square inches to support one pounds weight 3. The adhesive properties stayed the same when tested on surfaces, including glass plates, polymer films, and rough sandpaper.

One problem with these materials is that when the material is not dirty work well. Nobody has been able to do that. Dai says that "carbon nanotubes can help versatility to overcome the problem of dirt. Dai is developing adhesive arrays of nanotubes that are coated nanotubes with proteins that change shape in response to changes temperature. The idea is that the robot's feet may become warm to the block, detached from the dirt so you can keep walking.

Self-cleaning clothing

Researchers at Monash University in Victoria, Australia, led by organic chemist and nanomaterials researcher Walid Daoud, have discovered a form of fibers with nanocrystals of titanium dioxide layer, which break the food and dirt in sunlight. They are coated with natural fibers such as wool, silk and hemp automatically so that will deliver the food, dirt, and even red wine stains when exposed to sunlight.

Titanium dioxide is used in sunscreens, toothpaste and paint, and is a strong photo catalyst. In the presence of water vapor and ultraviolet light, form hydroxyl radical, or decompose organic matter. However, says Daoud, "these nanocrystals do not decompose wool and are harmless to the skin are." The coating of nanocrystals does not change the appearance and texture of the material.

Titanium dioxide also destroys bacteria in the presence of sunlight by breaking the cell walls of microorganisms. fabrics Automatic cleaning would be useful in hospitals and other medical facilities.

The material is up to red wine stains, which are very difficult to eliminate. After 20 hours of exposure to simulated sunlight, wool coated titanium dioxide shows almost no sign of the red, while the untreated wool treated is stained with courage. Other stains disappear faster: coffee stains disappear in two hours, while the blue ink stains disappear in seventeen hours.

Materials that use nanoparticles have been developed in the past. stain-repellent fabrics and paintings that are currently on the market usually have a nanoparticle or nanofiber layer that causes liquid droplets to roll off instead of getting absorbed by the material, taking small particles of dirt and grime with them.

The requirement of sunshine has not stopped winning technology commercial interests. Several wool manufacturers have suggested they would like to evaluate the technology, says Daud.

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