Science Themed Crossword Puzzle
August 7th, 2022

Here is your custom made Science Themed Crossword Puzzle for August 7th, 2022. All RF Cafe crossword puzzles are custom made by me, Kirt Blattenberger, and have only words and clues related to RF, microwave, and mm-wave engineering, optics, mathematics, chemistry, physics, and other technical subjects. As always, this crossword contains no names of politicians, mountain ranges, exotic foods or plants, movie stars, or anything of the sort unless it/he/she is related to this puzzle's technology theme (e.g., Reginald Denny or the Tunguska event in Siberia). The technically inclined cruciverbalists amongst us will appreciate the effort. Enjoy!

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

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

Science Themed Crossword Puzzle for August 7th, 2022 - RF Cafe

1. Unit of electrical charge
5. Wiring assembly
9. Circuit containing a mixture of technologies (pl.)
11. Chemical symbol for neodymium
12. Chemical symbol for beryllium oxide
14. Mr. Piper's famous yellow airplane
17. Read-only (abbr.)
18. Coordinated Universal Time (abbr.)
19. Plane circular area (pl.)
20. Mate to a bolt
22. Transfer charge w/o physical contact
25. Mr. Boltzmann's first name
27. One type of electron spin
28. 1E6 nanoseconds
29. Lubricant
30. Chemical symbol for manganese
31. Switch position
32. Type of modulation (abbr.)
34. European equivalent to the U.L.
36. Chemical symbol for platinum
38. Test point (abbr.)
40. Chemical symbol for selenium
41. Chemical symbol for einsteinium
42. Radio-Electronics-Television Manufacturer's Association
43. Amateur radio operator who is qualified to administer Amateur Radio licensing examinations (abbr., pl.)
44. Using a logical connection scheme for redundant power supplies
45. Semiconductor and calculator company (abbr.)
48. Part of this website's title
50. Amateur radio abbreviation for the Oceania region (abbr.)
51. Band between RF and BB
52. Unit of volume (abbr.)
54. Chemical symbol for argon
55. Type of current flow (abbr.)
57. 1/100 meter (abbr.)
58. Ham's code for "Shall I increase power?"
59. Filter type that blocks frequencies in a specified band (abbr.)
61. Network department (abbr.)
62. Aluminum Gallium Arsenide
64. Separated by specific distances
67. Precision landing system (abbr.)
68. Automaton
69. Bands between RF and baseband
70. Opposite of I.D.
71. Ultra High Voltage (abbr.)
73. Ham's code for "Answer in prearranged order."
74. Chemical symbol for calcium
76. A vector quantity (typically a complex number) representing a sinusoidally varying current or voltage (pl.)
80. Adding two or more inputs
81. The "E" in TEM

1. 10E-2 numerical prefix
2. Unit of time (abbr.)
3. Unit of admittance
4. Word used in describing 2-D and 3-D object dimensions; i.e., 10 mm __ 25 mm
5. Chemical symbol for cadmium
6. File name extension for an ASCII file
7. Infrared (abbr.)
8. Mr. Ohm's first name
10. Contactless homemade (usually) inductive and/or capacitive test cable end for tracing wireless signals on a PCB or in a chassis (2 ltrs. + 2 wds., pl.)
12. Unit of heat
13. ECM response
15. Balun with both ports unbalanced
16. Manufacturer of project boxes
18. User Datagram Protocol
21. Base of the binary number system
23. Type of anaylsis that uses approximation techniques for solving mathematical problems
24. A keyboard key
25. Stock symbol for Lockheed Martin
26. Perform a calculus function
32. Start frequency (abbr.)
33. Metric length unit
35. Electromagnetic (abbr.)
36. Chemical symbol for polonium
37. Mr. Bohr's first name
39. Unit of time (abbr.)
45. Part of a FOR loop
46. Unit of capacitance (abbr.)
47. Chemical symbol for scandium
49. Chemical symbol for francium
51. International Microwave Symposium (abbr.)
53. Unlicensed radio type for personal and business use (abbr., pl.)
56. Common gateway interface (abbr.)
57. Type of cryptographic algorithm that takes a string and converts it to a numeric code
60. Quantum electron property
61. Multifunctional silicon devices (abbr., pl.)
62. Molecular building blocks
63. Arithmetic Logic Unit (abbr.)
65. Colorado Springs military school (abbr.)
66. Constellation : The dragon
72. Virtual Private Network
73. Ham's code for "Can you acknowledge receipt?"
75. Unit of length (abbr.)
77. Chemical symbol for mercury
78. One component of a complex number (abbr.)
79. Unit of length (abbr.)

See solution below

2022 Crosswords Archive

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.