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2. Graphene - Wikipedia

   en.wikipedia.org/wiki/Graphene

   Graphene is known for its exceptionally high tensile strength, electrical conductivity, transparency, and being the thinnest two-dimensional material in the world. [4] Despite the nearly transparent nature of a single graphene sheet, graphite (formed from stacked layers of graphene) appears black because it absorbs all visible light wavelengths.

3. Superhard material - Wikipedia

   en.wikipedia.org/wiki/Superhard_material

   A material is also considered hard if it resists plastic deformation. If a material has short covalent bonds, atomic dislocations that lead to plastic deformation are less likely to occur than in materials with longer, delocalized bonds. If a material contains many delocalized bonds it is likely to be soft. [10]

4. Wedding ring - Wikipedia

   en.wikipedia.org/wiki/Wedding_ring

   A wedding ring is commonly worn on the ring finger. A pair of wedding rings. A wedding ring or wedding band is a finger ring that indicates that its wearer is married. [1] It is usually forged from metal, traditionally gold or another precious metal. Rings were used in ancient Rome during marriage. [2]

5. Titanium ring - Wikipedia

   en.wikipedia.org/wiki/Titanium_ring

   Titanium rings are jewelry rings or bands which have been primarily constructed from titanium. The actual compositions of titanium can vary, such as "commercial pure" (99.2% titanium) or "aircraft grade" (primarily, 90% titanium, 6% aluminum, 4% vanadium), and titanium rings are often crafted in combination with other materials, such as gemstones and traditional jewelry metals.

6. ‘RHOA’ Alum Porsha Williams’ Wedding Ring Details Revealed

   www.aol.com/entertainment/rhoa-alum-porsha...

   Bling watch! Porsha Williams and Simon Guobadia exchanged rings twice in two lavish wedding ceremonies in November — and the pieces in question were designed by Atlanta’s most sought-after ...

7. Ring (jewellery) - Wikipedia

   en.wikipedia.org/wiki/Ring_(jewellery)

   Ruby ring. A ring is a round band, usually made of metal, worn as ornamental jewelry.The term "ring" by itself denotes jewellery worn on the finger; when worn as an ornament elsewhere, the body part is specified within the term, e.g., earrings, neck rings, arm rings, and toe rings.

8. Jewellery - Wikipedia

   en.wikipedia.org/wiki/Jewellery

   Conversely, the jewellery industry in the early 20th century launched a campaign to popularise wedding rings for men, which caught on, as well as engagement rings for men, which did not, go so far as to create a false history and claim that the practice had medieval roots. By the mid-1940s, 85% of weddings in the U.S. featured a double-ring ...

9. Nature's strongest material comes from sea snails - AOL

   www.aol.com/news/2015-02-18-natures-strongest...

   Limpet teeth have beaten out the previous record-holder for the strongest biological material found in nature: spider silk. Researchers found the limpets' teeth contain goethite, which is a hard ...