Human factors and missed solutions to Enigma design weaknesses: Cryptologia: Vol 40, No 2

Human factors and missed solutions to Enigma design weaknesses: Cryptologia: Vol 40, No 2
— Read on www.tandfonline.com/doi/full/10.1080/01611194.2015.1028680

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FREE: Keeping Raccoons out of the recycling, 7 years and 4 tries later

Back in (gulp) 2008, I posted a simple design to keep raccoons out of the garbage and green bin.  The design worked, I got some nice comments, and even a possible CBC TV spot on the design (which didn’t pan out, but it was nice to be asked).

raccoon closeup
Do you have ‘little visitors’ like this guy who came sniffing around my green bin?

Continue reading “FREE: Keeping Raccoons out of the recycling, 7 years and 4 tries later”