1996 - 2016
BSEE - KB3UON
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 Internet was still largely an unknown entity at the time and not much was available in the form of WYSIWYG ...
All trademarks, copyrights, patents, and other rights of ownership to images and text used on the RF Cafe website are hereby acknowledged.
My Hobby Website:
The Pre-Plastic Era - Not So Long Ago
The next time you watch an old B&W movie, notice the absence of plastic items. Metal, wood, fabric and glass were the materials of the era. It wasn't until after WWII, in "The Synthetic 50s," that plastics began assuming what would become a ubiquitous presence in everyday life. The first man-made plastic -- called Parkesine -- was created by Alexander Parkes who first publicly demonstrated it at the 1862 Great International Exhibition in London. Cellophane was invented 1908, PVC was patented in 1913, Teflon in 1938 (kept secret by the military until the early 60s), nylon in 1939, and Styrofoam® in 1954.
These original Kirt's Cogitations™ may be reproduced (no more than 5, please) provided proper credit is given to me, Kirt Blattenberger.
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Cog·i·ta·tion [koj-i-tey'-shun] – noun: Concerted thought or
reflection; meditation; contemplation.
Kirt [kert] – proper noun: RF Cafe webmaster.