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Karl Duncker: 2 ideas worth knowing

2 ideas from Karl Duncker, each explained in a minute and credited to the original work. Free on Savvy.

• Once you've seen a box as a container, you struggle to see it as anything else

  Karl Duncker's 1945 candle problem asks people to fix a lit candle to a wall using only a candle, a box of thumbtacks and a box of matches, without dripping wax on the table below.…

  — Karl Duncker, On Problem Solving

• Duncker's candle problem exposed a blind spot in how we see everyday objects

  Karl Duncker's 1945 experiment asked people to mount a lit candle on a wall using only a box of tacks, a candle, and matches. Most never think to empty the tack box and use it as a…

  — Karl Duncker, On Problem-Solving

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