2/27/2007 Engineering & Science Crossword Puzzle

Take a well-deserved break and try your hand at some of these goodies. Every word in the RF Cafe crossword puzzles is specifically related to engineering, mathematics, and science. There are no generic backfill words like many other puzzles give you, so you'll never see a clue asking for the name of a movie star or a mountain on the Russia-China border.

All of these crossword puzzles were created using the fabulous Crossword Express (now called "Magnum Opus") software.

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Cruciverbalist:

A cruciverbalist is a person who is skilled at creating or solving crossword puzzles. The term is a combination of "cruci-" from "crucifix," meaning cross, and "verbalist" from "verbal," indicating a person who deals with words. cruciverbalists are often responsible for designing crossword puzzles, and they possess a deep knowledge of wordplay, vocabulary, and the techniques used in constructing and solving crosswords. They aim to make puzzles that are both challenging and enjoyable for crossword enthusiasts.

Reproduction of this puzzle without the express permission of RF Cafe is prohibited.
ACROSS 1. Chemical symbol for tin 2. Distance between successive sinewave positive peaks, pl. 11. Home state of Los Alamos lab 13. The largest asteroid 14. Image 15. Electromagnetic, abbr. 17. Form a resistor lead 18. Halves of DIPs 19. Greek letter 20. Electromagnetic compatibility, abbr. 22. PC follower 23. A logic gate type 25. Unit of time, abbr. 26. Bulletin Board System 27. Opposite of I.D. 28. Bipolar Field-Effect Transistor 30. Chemical symbol for cobalt 31. Chemical symbol for manganese 32. Digital ___, by Motorola 34. Automatic network analyzer, abbr. 37. Switch position 39. Core & shielding vendor in W. Conshohocken, PA 40. Chemical symbol for nobelium 41. Semiconductor lamp 42. Last statement in a program 43. Coefficient of temperature, abbr. 45. Chemical symbol for lanthanum 46. Sends junk e-mail 50. Chemical symbol for holmium 52. Software engineering tool, abbr. 54. Chemical symbol for calcium 56. The 1800 MHz band for cellphones, abbr. 57. Logarithmic ratio 59. Non-return to zero, abbr. 61. Chemical symbol for thallium 62. A capacitor dielectric 64. Type of simple antenna 66. Chemical symbol for holmium 67. Type of PCB substrate foundation 68. RF design tool vendor in Espoo, Finland 69. Chemical symbol for lithium 70. Overlapping "piconets" 71. Morse Code for "from"	DOWN 1. Scalar version of velocity 2. One of the Ws in WWW 3. Length times width 4. Air exchange need 5. IC killer 6. RF/microwave software vendor, now Agilent 7. Global Positioning System 8. ____ film 9. Communication between stations by reflecting the radio waves off of the ionosphere, pl. 10. Official Space Shuttle designation, pl. 12. Pointing device 16. Millimeter, abbr. 19. Chemical symbol for niobium 21. Equipment control board 23. Greek letter 24. One component of a complex number, abbr. 26. Maker of power meters in Parsippany, NJ 28. VHF, UHF, ISM, for example 29. Records 31. ELI the ICE ___ 32. Keyboard key 33. Component of product cost, abbr. 35. Negation prefix 36. Logic gate 38. Negative temperature coefficient, abbr. 44. Which number system uses only the digits 0 to 7 47. Chemical symbol for palladium 48. An angle that has less than 90 degrees 49. 1E6 ns 51. Layer of the atmosphere that blocks UV energy 53. Chemical symbol for aluminum 54. Complex Instruction Set Computer 55. Asynchronous Communication Interface Adapter 57. Add impurities to semiconductor during processing 58. Threaded fastener 60. Chemical symbol for rhodium 62. Akin to AE, EE, SE, etc., pl. 63. Antenna, abbr. 64. Computer communication scheme, abbr. 65. Last stages in transmitters, abbr.
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