Thursday 28th December 2023
    Difficulty: Very hard

    Lava lamps (Quiz #405)

    Photo by <a href="https://unsplash.com/@martinengel?utm_content=creditCopyText&utm_medium=referral&utm_source=unsplash">Martin Engel</a>
    Photo by Martin Engel (Unsplash)

    1. British entrepreneur Edward Craven Walker had the idea for the lava lamp in 1963 after watching a homemade...what?

    2. The original lava lamps contain a "bolus" of coloured wax and a clear liquid. Why is the wax mixed with carbon tetrachloride during the manufacturing process?

    3. What would be the risk involved in agitating the lamp, once the wax blobs are moving?

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