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Tease your brain. (Activities & Oddities).


Here are 36 squares. Place 12 dots on the grid grid: see electron tube.


(1) Any interconnected set of nodes such as the electric power network or a communications network.

(2) "The Grid" is a nickname for Internet2. See Internet2.
 (one only per square) so that each of the six columns, six rows, and two diagonals contains exactly two dots. Try to come up with three different solutions.

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Publication:Science World
Date:May 9, 2003
Words:40
Previous Article:Explain this! (Activities & Oddities).
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