4 ms·

My microwave has a picture of a cup with a spoon in it, this stops superheating.

• benj111 4y ago
  How?
  • briHass 4y ago
    It provides a non-smooth surface to induce steam bubbles to form. I know in chem labs we used to use little chunks of ceramic for test tubes, but those aren't desirable in your tea.
    • benj111 4y ago
      >My microwave has a picture of a cup with a spoon in it, this stops superheating. This appears to be a microwave setting. I don't see how that would provide a non smooth surface
      • dragonwriter 4y ago
        “My microwave has a picture on it” is what was said; graphic instructions are common.
        • benj111 4y ago
          Ah ok I see now!
          • mprovost 4y ago
            Sorry if I was unclear. It's basically this: https://physics.stackexchange.com/questions/234042/should-i-place-a-spoon-in-a-cup-of-liquid-before-heating-it-in-a-mircowave https://physics.stackexchange.com/questions/234042/should-i-...