Pop culture inventions (1963): What fashionable “groovy” item was invented by Englishman Edward Craven Walker? Context: It became a 1960s icon of interior decor and mood lighting. Choose the correct item.

Difficulty: Easy

Lava lamp (Astro lamp)
Mood ring
Digital wristwatch
Bean bag chair

Correct Answer: Lava lamp (Astro lamp)

Explanation:

Given data

Inventor: Edward Craven Walker; year: 1963.

Reasoning
Walker created the lava lamp (originally marketed as the Astro lamp), featuring wax blobs floating and transforming in a translucent liquid when heated.

Final Answer
Lava lamp (Astro lamp).

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