What you need 1⁄2 cup of cold water 1⁄2 teaspoon table salt 2 teaspoons dishwashing liquid 3 large strawberries isopropyl alcohol (64% v/v), available at pharmacies knife and chopping board, small bowl, fork, fine sieve, small glass and toothpick or tweezers Safety warning Isopropyl alcohol is a highly flammable and volatile liquid. Use in a…