- Ingredients: a liter of water, 10-25 milliliters of dishwashing detergent (Fairy Liquid was the team’s brand of choice), and 20-50 grams of graphite powder (which you can find in pencil lead).
- Step 1: Add all the ingredients into a high-power (400-watt) kitchen blender.
- Step 2: Turn the blender on for 10-30 minutes.
- Results: a batch of black liquid filled with a large number of micron-sized graphene flakes suspended in water.
