I MUST refer to "Белая трость калибра 7,65" ("White cane of 7.65 caliber"): http://lib.ru/SOCFANT/NEFF/trost.txt http://lib.ru/SOCFANT/NEFF/trost.txt (Russian t

I MUST refer to "Белая трость калибра 7,65" ("White cane of 7.65 caliber"): http://lib.ru/SOCFANT/NEFF/trost.txt http://lib.ru/SOCFANT/NEFF/trost.txt (Russian translation of Czech SciFi piece) I read it in "Tech for Youngs" USSR magazine (Техника Молодёжи) a long time ago, around 1980. It is short and profound, for example, I later came around human echolocation phenomena and instantly remembered that piece. Our current human echolocators are about as good as the main hero of the piece above. Given that, I think we are safe. ;)