https://www.tiara.com.sg/collections/wedding-tungsten/products/oros-tungsten-ring Introducing the Oros Couple Wedding Tungsten Rings, the perfect way to commemorate your special day. These rings are crafted from scratch-resistant and tarnish-resistant tungsten carbide, and are available in 4mm, 6mm, and 8mm widths. They're also hypoallergenic, making them a great choice for people with sensitive skin or metal allergies. Plus, they're permanently polished, so you'll never need to have them re-pol

This experiment uses a sealed glass sphere filled with tungsten carbide nanoparticles and driven by an electric field around 270 volts. Tungsten carbide is electrically conductive and extremely stable, allowing the particles to respond strongly to the applied field without breaking down or burning. When energized, the particles become charged and begin moving through the sphere rather than remaining settled. As the electric field oscillates, the nanoparticles levitate, attract, repel, and cluste