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RF Cafe Science & Engineering Crossword Puzzle
March 8, 2020

As with my hundreds of previous science and engineering-themed crossword puzzles, this one for March 8, 2020, contains only clues and terms associated with engineering, science, physical, astronomy, mathematics, chemistry, etc., which I have built up over nearly two decades. Many new words and company names have been added that had not even been created when I started in the year 2002. You will never find a word taxing your knowledge of a numbnut soap opera star or the name of some obscure village in the Andes mountains. You might, however, encounter the name of a movie star like Hedy Lamarr or a geographical location like Tunguska, Russia, for reasons which, if you don't already know, might surprise you.

cruciverbalist: [noun]  cruci- ("cross") +‎ verbal ("words") +‎ -ist ("agent, person") -- A person who constructs or works crosswords.


Reproduction of this puzzle without the express permission of RF Cafe is prohibited.

acr. = acronym, abbr. = abbreviation, pl. = plural, wds. = words

Engineering & Science Crossword Puzzle March 8, 2020 - RF Cafe 

<click for full size to print>

ACROSS DOWN
1. 'Shooting star'

4. Channel used for satellite-to-earth communications

8. Facsimile

10. Ovenized crystal oscillator (abbr.)

11. Determines proper functionality

13. Greek letter

15. UMTS terrestrial radio access (abbr.)

17. Scheduling chart type (pl.)

18. Unit of inductance (abbr.)

19. Set of poles

21. Read-only (abbr.)

22. Modern battlefield technique (abbr.)

23. Color #5

25. PCB metal area where component leads attach (pl.)

27. Chemical symbol for tantalum

28. Using the moon as a passive reflector to establish a signal path; moonbounce (abbr.)

29. Electro-mechanical switching device

32. Type of flip-flop

33. Schema for computer or device presentation to the operator (abbr.)

34. Chemical symbol for lead

35. 12 inches (pl.)

37. Stock symbol for Linear Technologies

38. Chemical symbol for einsteinium

40. Unit of length (abbr.)

41. Chemical symbol for tin

42. _____ rule, a 1950s engineer's tool

43. Permeability-tuned oscillator (abbr.)

44. Chemical symbol for neodymium

45. Joins end-to-end

47. Hedy _____, Hollywood actress with first patent for spread spectrum communications

49. Greek letter used for frequency

50. Chemical symbol for helium

51. Switch configuration (abbr.)

53. Chemical symbol for palladium

54. Have a chemically induced effect

56. Circuit path with very high or infinite impedance

59. ELI the ICE ___

61. Fuses metals together using heat

62. Electromotive force (abbr.)

64. World's largest yearly convention of gadget and device manufacturers (abbr.)

66. Negative terminals

67. Web's most popular radio frequency engineering site (2 ltrs. + 1 wd.)

1. Software function selection mechanism

2. ______ velocity - speed necessary to become free of the Earth's gravitational force

3. Part of 67 Across

4. One who DXs

5. Robert ______-Watt, "Father of Radar"

6. Chemical symbol for lithium

7. Gun safety and education organization (abbr.)

9. Automatic Testing, Evaluation & Reporting (abbr.)

10. Type of logic gate

12. A type of capacitance or inductance

13. Code for a type of electrical wire insulation (abbr.)

14. Constellation : The little bear (2 wds.)

16. Min______ and Max_____, in a Karnaugh map

17. Ratio of circumference to diameter

18. Akin to EEs, CEs, AEs, etc. (abbr., pl.)

20. Test equipment vendor

23. The "Ge" in SiGe

24. BS__ - the degree held by many RF Cafe visitors

25. Software object reference names

26. Small motored tool for model drilling, grinding, shaping, etc. (pl.)

30. Filter type that blocks upper frequencies (abbr.)

31. Radio signals from the cosmos (abbr.)

33. Electrical safety organization (abbr.)

36. Electromagnetic (abbr.)

37. Chemical symbol for lawrencium

39. Chemical symbol for silicon

41. A "0" or a "1," for instance

42. Alloy of iron and low percentages of carbon, manganese, chromium, etc.

43. Related to FM by a differential

45. Manufacturer of project boxes

46. Screw feature that gives it holding power

48. Referring to atoms

49. Silicon transistor type (abbr.)

51. Society of Civil and Structural Engineers (abbr.)

52. Chemical symbol for platinum

55. Type of data conversion device (abbr., pl.)

57. Unit of capacitance (abbr.)

58. Current summing point

60. A common battery cell size

63. Chemical symbol for rhodium

65. Chemical symbol for strontium 


See solution below

 

2020 Crossword Puzzle Archive

Visit the Crossword Express website - RF CafeTake 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.

2024 | 2023 |2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 | 2014 | 2013 | 2012 | 2011 | 2010 | 2009 | 2008 | 2007 | 2006 | 2005 | 2004 | 2003 | 2002 | 2001 | 2000 | Sudoku

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.

December 27

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Engineering & Science Crossword Solution March , 2020 - RF Cafe

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RF Cafe began life in 1996 as "RF Tools" in an AOL screen name web space totaling 2 MB. Its primary purpose was to provide me with ready access to commonly needed formulas and reference material while performing my work as an RF system and circuit design engineer. The World Wide Web (Internet) was largely an unknown entity at the time and bandwidth was a scarce commodity. Dial-up modems blazed along at 14.4 kbps while tying up your telephone line, and a nice lady's voice announced "You've Got Mail" when a new message arrived...

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