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Adhesive

Ants have a reputation as the hard workers of the animal kingdom, in part because they can lug around impressively heavy loads with respect to their size. But tiny new robots being developed at Stanford University are giving them a run for their money with the ability to pull up to 1,800 times their own weight.

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Mussels have an incredible ability to cling to wet surfaces. It's an ability that scientists are trying to replicate for use in man-made adhesives. That adhesion can't be turned on and off as needed, however, limiting its potential applications. That's where the Northern clingfish comes in. It can suck onto rough, slimy surfaces, supporting up to 150 times its own body weight when lifted. That said, it can also just let go and swim away whenever it wants. Scientists from the University of Washington now understand how it's able to do so, and are looking at applying the principle to fields such as surgery and whale-tracking.

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In various types of manufacturing, parts are robotically picked and placed using graspers or suction cups. The former can damage fragile items, however, while the latter won't work in vacuums or on rough surfaces. That's why scientists from Germany's Leibniz Institute for New Materials (INM) have developed – well, a new material. It utilizes the same principle as sticky gecko feet, but its gripping quality can be switched on and off as needed. Read More
Gripping technology inspired by the force that geckos use to climb even vertical, smooth surfaces has been tested in microgravity. Researchers want to see if it might one day be used to get work done in outer space, and clean up the increasing amount of debris floating in orbit around the Earth. Read More
Perhaps you've had one or more of the following experiences when trying to stick items together using super glue: the glue sets before the objects can be properly aligned, it won't set fast enough, or it hardens inside the bottle once it's been opened. Well, Bondic is claimed to have none of those problems. It's described as a "liquid plastic welder" that sets within four seconds, but only once it's been exposed to an included UV light. Read More
If you've ever worked in film/television production, special events setup, music production or any number of other similar industries, then you're probably familiar with a particularly unlikable task – taping cables down to the floor, so people don't trip over them. The GaffGun is designed to make that job considerably quicker and easier. Read More
Clingy barnacles might be something of a nuisance for seafarers, but these stubborn shellfish and their relatives could hold the key to a new breed of sticky materials. Engineers from MIT have created waterproof adhesives based on the proteins that give these creatures such qualities, a development that could one day be used in ship repairs or medical applications. Read More
If you place pretty much any type of solid material in the ocean, barnacles will firmly attach themselves to it. If you were to try applying a glue to any of those materials while they were underwater, however, it likely wouldn't stick. So, what do barnacles know that we don't? Scientists have recently discovered the answer, and it could lead to advances in human technologies. Read More
In recent years we've seen a number of attempts at artificially replicating the strong-yet-light characteristics of spider silk. It turns out that the silk itself isn't the only thing that's inspiring scientists, however. Researchers from the University of Akron have recently created their own version of the "attachment discs" that spiders use to secure their silk fibers to surfaces, when building webs. These man-made discs could conceivably prove superior to conventional glues as a form of adhesive. Read More
When soldiers or other people sustain eye injuries, retinal detachment and vision loss can result if the eye's vitreous gel isn't kept from leaking out. Given that Band-Aids can't be placed directly on the eyeball, however, a team of scientists from the University of Southern California has created an alternative – reversible eye glue. Read More
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