Tech Directions - February 2008 - (Page 32)

more than fun Interlocking Heart Project This interlocking heart and arrow were made from two separate pieces of wood. Both pieces are solid—no glue or mechanical fasteners were used. See if you can figure out how this was made—then make it for your sweetheart. After all, this is February—the month for lovers! Telephone Scramble Word Challenge T Miller’s Crossing The following is a crypto-list. Each word in the list below is encoded in cipher—the same cipher is used for every word in the list—and all waiting to be decoded. If you’re familiar with the parts of a vertical milling machine, then this should be easy. (Hint: I = E). Submitted by D. William Bangert, Okanogan, WA. OUDLU ZMCCLUV LWIUOUB ZOKKEI MGAWIUZOE WAZI HLLVZVLTN VODEI HIIK EIWIU UOCAK VUOWIUZI EIWIU BOZVIU ZFAVTJ See answers on page 31. We all know that Alexander Graham Bell invented the telephone, right? But did you know that someone else invented the telephone independently at the same time? His name was Elisha Gray. So what was the crucial difference that gave Bell all the credit and cast Gray into obscurity? To find out, first unscramble the four science-related words below. Write each answer in the line of squares and circles provided below each word. Then, unscramble the letter in the squares to learn the answer. Submitted by D. William Bangert, Okanogan, WA. U COFER SLUGN EYROTH UTPOUT “How do you explain losing someone, Miss March? It was a virtual field trip!” We will pay $25 for brainteasers, one-period challenges, and puzzles; $20 for cartoons; and $5 for jokes and humorous anecdotes used on this page. Preferable theme for all submissions is applied science, technology, and technical education. Send contributions to “More Than Fun,” PO Box 8623, Ann Arbor, MI 48107-8623. 32 techdirections ◆ FEBRUARY 2008

Table of Contents Feed for the Digital Edition of Tech Directions - February 2008

Tech Directions - February 2008 Technically Speaking Contents Direct from Washington The News Report Technology’s Past Technology Today Mastering Computers How Engineers Engineer—Lessons from My First Big Engineering Project Tips on Creating Complex Geometry Using Solid Modeling Software Press to Test—Shop-Built BJT Checker Is Easy Cable Television Technician International Technology Education Association Conference—Teaching TIDE with Pride Professional Development Opportunities Product Central Free for the Asking More than Fun

Tech Directions - February 2008

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