![]() ![]() In his 5th century work on hieroglyphics, Horapollo makes a further distinction between a serpent that hides its tail under the rest of its body, which represents Aion, and the ouroboros that represents the kosmos, which is the serpent devouring its tail. Valerius Heracles and sons, dedicated 190 CE at Ostia Antica, Italy ( CIMRM 312) ĭrawing of the leontocephaline figure found at the mithraeum of C. ![]() The 4th century CE Latin commentator Servius notes that the image of a snake biting its tail represents the cyclical nature of the year. The imagery of the twining serpent is connected to the hoop or wheel through the ouroboros, a ring formed by a snake holding the tip of its tail in its mouth. In the Dionysiaca, Nonnus associates Aion with the Horae and says that he:Ĭhanges the burden of old age like a snake who sloughs off the coils of the useless old scales, rejuvenescing while washing in the swells of the laws. But because he represents time as a cycle, he may also be presented as an old man. Examples include two Roman mosaics from Sentinum (modern–day Sassoferrato) and Hippo Regius in Roman Africa, and the Parabiago plate. In fact we are not aware of any other manufactured non-cuttable material in existence as of now.Aion is usually identified as the nude or mostly nude young man within a circle representing the zodiac, symbolic of eternal and cyclical time. This material could have lots of useful and exciting applications in the security and safety industries. "The ceramics embedded in this flexible material are also made of very fine particles which stiffen and resist the angle grinder or drill when you're cutting at speed in the same way that a sandbag would resist and stop a bullet at high speed. ![]() "If you get through the jelly you hit the nuggets and the material will vibrate in such a way that it destroys the cutting disc or drill bit." ![]() "Essentially cutting our material is like cutting through a jelly filled with nuggets," said Stefan Szyniszewski, lead author and assistant professor of applied mechanics at Durham's engineering department, according to a blog post on Durham University's website. Source: Durham University / YouTube Nuggets and jelly cancel cutting motion This CT scan of the Proteus material shows how cellular aluminum structure is wrapped around ceramic spheres - failed attempts to cut with a grinder are on the bottom right. These, in turn, make it even more difficult to cut - since the faster one grinds or drills the harder cutting gets "due to interatomic forces between the ceramic grains," and "the force and energy of the drill is turned back on itself, and it is weakened and destroyed by its own attack," according to the researchers, reports New Atlas.Īdditionally, the new material has equally effective resistance to water jet cutters - obviously rare among bike thieves - because the spherical shape of ceramic chunks widens the water jet, increasing the area of applied force, and thus weakening the pressure of the cut. Proteus' outer plate will give way to drill bits or angle grinders, but when either reaches the embedded ceramic spheres, the material begins to vibrate in a way that blunts the tool's sharp edges as fine particles of ceramic dust fill in the gaps of the matrix-like structure of the metal. Stemming from the U.K's Durham University and Germany's Fraunhofer Institute, the novel material takes inspiration from the durable and cellular skin of grapefruit, in addition to the rock-hard, fracture-resistant aragonite shells of mollusks. Named Proteus, the new material consists of ceramic spheres arranged in a cellular aluminum structure to resist angle grinders, drills, or similar brute-force cutting tools. RELATED: LINE-X: THE SPRAY THAT CAN MAKE ANYTHING INDESTRUCTIBLE Researchers claim they've manufactured the world's first non-cuttable material - with a mere 15% steel's density - which they say could be made into a lightweight armor or indestructible bike lock, according to a paper recently published in the journal Scientific Reports. ![]()
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