Design/test your own here: IBM Burr Puzzles
Not only is this a "Featured" Instructable, it is also a "Finalist" in the Duct Tape Contest!
Pronounced
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ree
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tahym
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reel
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]
–noun
Fishing
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| of or pertaining to the period in which a fisherman must leave to go fishing. |
–adjective
Computers
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| of or pertaining to applications in which the computer must respond as rapidly as required by the user or necessitated by the process being controlled. |