Easy experiment, get one raw egg and one hard boiled egg. Place them in separate containers, add white vingar. Watch the eggs for at least seven days. The longer you keep the eggs submerged, the more you'll see a change.
beaded tree ornament - Handmade, wire-wrapped & beaded Christmas tree is made with a combination of dark colored annealed steel and copper wire or bright steel wire & a colourful mix of glass, resin, lucite & crystalsI love this