Using a formula isn't always the easiest way to find an area. Adding lines instead can help to see things more clearly.
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A highway on-ramp is designed for a certain acceleration sustained over its length. Can you find the connection between them?
Series 3 of 3
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In a magic square, the sums of every row, column, and diagonal are equal. What happens in a multiplication magic square?
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The paths of electricity through a CPU are changing all the time. Does that mean the current flowing through it is changing as well?
Series 2 of 2
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Blankets are one of the great inventions of mankind, keeping us warm as we sit on beds, couches, and chairs. But will they do that for everything?
Series 1 of 2
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Both players make the best possible moves to avoid eating the lemon. Who gets stuck with the sour fruit?
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It's not necessary to solve this puzzle completely to find the answer — all that's needed is a correct relationship among the digits.
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