Please see our staff listing. Most of the HSS anesthesiologists have completed fellowship in fields such as regional anesthesia, pediatric anesthesia, critical care medicine, cardiothoracic anesthesia, chronic pain, and anesthesia research.
Put on your safety goggles. Pour your marbles in a single layer into an old skillet or disposable aluminum pan. Heat the marbles on your stovetop, between low and medium heat, for approximately 10 to 15 minutes; or preheat your oven to 350 degrees and heat the marbles for 10 minutes. Turn off the oven or stovetop and remove the skillet or pan from the heat source with a potholder. Pour the marbles into your bucket of ice water. Wait for the ice to melt. When melted completely, scoop the cracked marbles from the bucket with your slotted ladle and lay the marbles on a soft cloth to dry.
Place the eggshells in a plastic container on a paper towel. Pour 0.25 cups of hot water into a clean glass jar. Add 1 to 1.5 tsp. of copper sulfate to the water and stir with a spoon. Carefully pour the copper sulfate solution into the halves of the eggshells.Place the container with the eggshells in a safe place, such as in a cupboard or on a sturdy table, away from sunlight.ips & Warnings. 1  You can pour out a portion of the copper sulfate solution from the eggshells to allow a better look at crystals as they form. 2  Copper sulfate is harmful if swallowed and should not be handled by young children. 3  Copper sulfate is an irritant.