{"id":3703,"date":"2021-08-27T12:35:59","date_gmt":"2021-08-27T12:35:59","guid":{"rendered":"https:\/\/www.lifescienceart.com\/?p=3703"},"modified":"2021-08-27T12:35:59","modified_gmt":"2021-08-27T12:35:59","slug":"aviation-in-law-enforcement-a-historical-perspective","status":"publish","type":"post","link":"https:\/\/www.lifescienceart.com\/vi\/science\/law-enforcement\/aviation-in-law-enforcement-a-historical-perspective\/","title":{"rendered":"H\u00e0ng kh\u00f4ng trong th\u1ef1c thi ph\u00e1p lu\u1eadt: g\u00f3c nh\u00ecn l\u1ecbch s\u1eed"},"content":{"rendered":"<h2 class=\"wp-block-heading\">H\u00e0ng kh\u00f4ng trong th\u1ef1c thi ph\u00e1p lu\u1eadt: G\u00f3c nh\u00ecn l\u1ecbch s\u1eed<\/h2>\n\n<h2 class=\"wp-block-heading\">Nh\u1eefng ng\u00e0y \u0111\u1ea7u s\u1eed d\u1ee5ng m\u00e1y bay trong c\u00f4ng t\u00e1c c\u1ea3nh s\u00e1t<\/h2>\n\n<p>L\u1ea7n \u0111\u1ea7u ti\u00ean ghi nh\u1eadn m\u00e1y bay \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong c\u00f4ng t\u00e1c c\u1ea3nh s\u00e1t l\u00e0 v\u00e0o n\u0103m 1919, khi phi c\u00f4ng ng\u01b0\u1eddi Canada Wilfrid Reid May truy \u0111u\u1ed5i m\u1ed9t t\u00ean tr\u1ed1n ch\u1ea1y t\u1eeb Edmonton \u0111\u1ebfn Edson. K\u1ec3 t\u1eeb \u0111\u00f3, c\u00e1c c\u01a1 quan th\u1ef1c thi ph\u00e1p lu\u1eadt \u0111\u00e3 s\u1eed d\u1ee5ng m\u00e1y bay, tr\u1ef1c th\u0103ng, kh\u00ed c\u1ea7u v\u00e0 m\u00e1y bay kh\u00f4ng ng\u01b0\u1eddi l\u00e1i cho nhi\u1ec1u m\u1ee5c \u0111\u00edch kh\u00e1c nhau.<\/p>\n\n<h2 class=\"wp-block-heading\">Nh\u1eefng th\u00e1ch th\u1ee9c khi b\u1eaft gi\u1eef t\u1ed9i ph\u1ea1m s\u1eed d\u1ee5ng \u00f4 t\u00f4<\/h2>\n\n<p>Hugo Gernsback, m\u1ed9t nh\u00e0 ti\u00ean phong trong l\u0129nh v\u1ef1c khoa h\u1ecdc vi\u1ec5n t\u01b0\u1edfng, \u0111\u00e3 nh\u1eadn \u0111\u1ecbnh v\u00e0o n\u0103m 1936 r\u1eb1ng \u00f4 t\u00f4 \u0111\u00e3 tr\u1edf th\u00e0nh m\u1ed9t c\u00f4ng c\u1ee5 ch\u00ednh \u0111\u1ec3 t\u1ed9i ph\u1ea1m th\u1ef1c hi\u1ec7n nh\u1eefng cu\u1ed9c t\u1ea9u tho\u00e1t nhanh ch\u00f3ng. \u00d4ng l\u01b0u \u00fd r\u1eb1ng nh\u1eefng t\u00ean c\u00f4n \u0111\u1ed3 th\u01b0\u1eddng \u0111\u00e1nh l\u1ea1c h\u01b0\u1edbng c\u1ea3nh s\u00e1t v\u00e0 c\u1ea3nh s\u00e1t ti\u1ec3u bang b\u1eb1ng c\u00e1ch s\u1eed d\u1ee5ng nh\u1eefng chi\u1ebfc xe h\u01a1i c\u00f3 c\u00f4ng su\u1ea5t l\u1edbn v\u00e0 th\u01b0\u1eddng xuy\u00ean \u0111\u1ed5i ph\u01b0\u01a1ng ti\u1ec7n.<\/p>\n\n<h2 class=\"wp-block-heading\">Vai tr\u00f2 c\u1ee7a s\u00f3ng ng\u1eafn trong vi\u1ec7c h\u1ed7 tr\u1ee3 c\u1ea3nh s\u00e1t<\/h2>\n\n<p>Gernsback c\u0169ng nh\u1eadn ra nh\u1eefng ti\u1ebfn b\u1ed9 trong c\u00f4ng ngh\u1ec7 truy\u1ec1n th\u00f4ng v\u00f4 tuy\u1ebfn s\u00f3ng ng\u1eafn. M\u1eb7c d\u00f9 c\u00f4ng ngh\u1ec7 n\u00e0y c\u1ea3i thi\u1ec7n \u0111\u01b0\u1ee3c s\u1ef1 ph\u1ed1i h\u1ee3p gi\u1eefa c\u00e1c xe c\u1ea3nh s\u00e1t, nh\u01b0ng \u00f4ng th\u1eeba nh\u1eadn r\u1eb1ng v\u1eabn c\u1ea7n nhi\u1ec1u h\u01a1n n\u1eefa \u0111\u1ec3 ch\u1ed1ng l\u1ea1i t\u1ed9i ph\u1ea1m m\u1ed9t c\u00e1ch hi\u1ec7u qu\u1ea3.<\/p>\n\n<h2 class=\"wp-block-heading\">\u0110\u1ec1 xu\u1ea5t khinh kh\u00ed c\u1ea7u bay c\u1ee7a Gernsback cho c\u00f4ng t\u00e1c c\u1ea3nh s\u00e1t<\/h2>\n\n<p>Gernsback \u0111\u1ec1 xu\u1ea5t m\u1ed9t gi\u1ea3i ph\u00e1p m\u1edbi: m\u1ed9t khinh kh\u00ed c\u1ea7u bay \u0111\u01b0\u1ee3c treo t\u1eeb m\u00e1y bay b\u1eb1ng m\u1ed9t s\u1ee3i c\u00e1p th\u00e9p. Khinh kh\u00ed c\u1ea7u n\u00e0y s\u1ebd \u0111\u01b0\u1ee3c trang b\u1ecb b\u00e1nh l\u00e1i v\u00e0 thang m\u00e1y, cho ph\u00e9p n\u00f3 c\u01a1 \u0111\u1ed9ng \u0111\u1ed9c l\u1eadp v\u1edbi m\u00e1y bay.<\/p>\n\n<h2 class=\"wp-block-heading\">\u01afu \u0111i\u1ec3m c\u1ee7a khinh kh\u00ed c\u1ea7u bay<\/h2>\n\n<p>Theo Gernsback, khinh kh\u00ed c\u1ea7u bay c\u00f3 m\u1ed9t s\u1ed1 \u01b0u \u0111i\u1ec3m so v\u1edbi m\u00e1y bay truy\u1ec1n th\u1ed1ng trong c\u00f4ng t\u00e1c c\u1ea3nh s\u00e1t:<\/p>\n\n<ul class=\"wp-block-list\">\n<li><strong>T\u00ednh c\u01a1 \u0111\u1ed9ng \u0111\u01b0\u1ee3c c\u1ea3i thi\u1ec7n:<\/strong> Khinh kh\u00ed c\u1ea7u c\u00f3 th\u1ec3 h\u1ea1 ho\u1eb7c n\u00e2ng nhanh ch\u00f3ng, gi\u00fap n\u00f3 c\u00f3 th\u1ec3 b\u00e1m theo t\u1ed9i ph\u1ea1m tr\u00ean m\u1eb7t \u0111\u1ea5t.<\/li>\n<li><strong>Kh\u1ea3 n\u0103ng c\u01a1 \u0111\u1ed9ng l\u1edbn h\u01a1n:<\/strong> Kh\u1ea3 n\u0103ng \u0111i\u1ec1u khi\u1ec3n \u0111\u1ed9c l\u1eadp c\u1ee7a khinh kh\u00ed c\u1ea7u cho ph\u00e9p n\u00f3 r\u1ebd, quay \u0111\u1ea7u v\u00e0 th\u1eadm ch\u00ed \u0111\u1ea3o ng\u01b0\u1ee3c h\u01b0\u1edbng.<\/li>\n<li><strong>Li\u00ean l\u1ea1c \u0111\u01b0\u1ee3c c\u1ea3i thi\u1ec7n:<\/strong> Khinh kh\u00ed c\u1ea7u c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c trang b\u1ecb radio c\u1ee7a c\u1ea3nh s\u00e1t, t\u1ea1o \u0111i\u1ec1u ki\u1ec7n li\u00ean l\u1ea1c tr\u1ef1c ti\u1ebfp v\u1edbi c\u00e1c \u0111\u01a1n v\u1ecb m\u1eb7t \u0111\u1ea5t.<\/li>\n<\/ul>\n\n<h2 class=\"wp-block-heading\">T\u00ednh kh\u1ea3 thi khi s\u1eed d\u1ee5ng m\u00e1y bay kh\u00f4ng ng\u01b0\u1eddi l\u00e1i cho m\u1ee5c \u0111\u00edch th\u1ef1c thi ph\u00e1p lu\u1eadt<\/h2>\n\n<p>Kh\u00e1i ni\u1ec7m khinh kh\u00ed c\u1ea7u bay c\u1ee7a Gernsback \u0111\u00e3\u5960\u5b9a \u4e86\u4f7f\u7528\u65e0\u4eba\u9a7e\u9a76\u98de\u673a\u5728\u4eca\u5929\u7684\u6267\u6cd5\u4e2d\u7684\u57fa\u7840\u3002 M\u00e1y bay kh\u00f4ng ng\u01b0\u1eddi l\u00e1i cung c\u1ea5p nh\u1eefng l\u1ee3i th\u1ebf t\u01b0\u01a1ng t\u1ef1 nh\u01b0 khinh kh\u00ed c\u1ea7u c\u1ee7a Gernsback, bao g\u1ed3m kh\u1ea3 n\u0103ng c\u01a1 \u0111\u1ed9ng, kh\u1ea3 n\u0103ng gi\u00e1m s\u00e1t v\u00e0 kh\u1ea3 n\u0103ng ti\u1ebfp c\u1eadn c\u00e1c khu v\u1ef1c kh\u00f3 ti\u1ebfp c\u1eadn.<\/p>\n\n<h2 class=\"wp-block-heading\">T\u01b0\u01a1ng lai c\u1ee7a c\u00f4ng ngh\u1ec7 ch\u1ed1ng t\u1ed9i ph\u1ea1m<\/h2>\n\n<p>Vi\u1ec7c s\u1eed d\u1ee5ng h\u00e0ng kh\u00f4ng trong th\u1ef1c thi ph\u00e1p lu\u1eadt kh\u00f4ng ng\u1eebng ph\u00e1t tri\u1ec3n. M\u00e1y bay kh\u00f4ng ng\u01b0\u1eddi l\u00e1i ng\u00e0y c\u00e0ng tinh vi h\u01a1n v\u00e0 c\u00e1c c\u00f4ng ngh\u1ec7 m\u1edbi \u0111ang n\u1ed5i l\u00ean \u0111\u1ec3 h\u1ed7 tr\u1ee3 c\u1ea3nh s\u00e1t b\u1eaft gi\u1eef t\u1ed9i ph\u1ea1m v\u00e0 ng\u0103n ng\u1eeba t\u1ed9i ph\u1ea1m. T\u01b0\u01a1ng lai c\u1ee7a c\u00f4ng ngh\u1ec7 ch\u1ed1ng t\u1ed9i ph\u1ea1m \u1ea9n ch\u1ee9a v\u00f4 s\u1ed1 kh\u1ea3 n\u0103ng \u0111\u1ed5i m\u1edbi v\u00e0 hi\u1ec7u qu\u1ea3.<\/p>\n\n<h2 class=\"wp-block-heading\">Nh\u1eefng c\u00e2n nh\u1eafc b\u1ed5 sung<\/h2>\n\n<p>Ngo\u00e0i nh\u1eefng l\u1ee3i \u00edch c\u1ee7a vi\u1ec7c s\u1eed d\u1ee5ng h\u00e0ng kh\u00f4ng trong th\u1ef1c thi ph\u00e1p lu\u1eadt, c\u00f2n c\u00f3 m\u1ed9t s\u1ed1 th\u00e1ch th\u1ee9c c\u1ea7n xem x\u00e9t:<\/p>\n\n<ul class=\"wp-block-list\">\n<li><strong>Chi ph\u00ed:<\/strong> Vi\u1ec7c mua v\u00e0 b\u1ea3o d\u01b0\u1ee1ng m\u00e1y bay v\u00e0 m\u00e1y bay kh\u00f4ng ng\u01b0\u1eddi l\u00e1i c\u00f3 th\u1ec3 r\u1ea5t t\u1ed1n k\u00e9m.<\/li>\n<li><strong>\u0110\u00e0o t\u1ea1o:<\/strong> \u0110i\u1ec1u khi\u1ec3n m\u00e1y bay v\u00e0 m\u00e1y bay kh\u00f4ng ng\u01b0\u1eddi l\u00e1i \u0111\u00f2i h\u1ecfi \u0111\u00e0o t\u1ea1o v\u00e0 ch\u1ee9ng nh\u1eadn chuy\u00ean bi\u1ec7t.<\/li>\n<li><strong>An to\u00e0n:<\/strong> \u0110\u1ea3m b\u1ea3o an to\u00e0n cho c\u00e1c s\u0129 quan v\u00e0 c\u00f4ng ch\u00fang trong c\u00e1c ho\u1ea1t \u0111\u1ed9ng tr\u00ean kh\u00f4ng l\u00e0 t\u1ed1i quan tr\u1ecdng.<\/li>\n<\/ul>\n\n<p>M\u1eb7c d\u00f9 c\u00f3 nh\u1eefng th\u00e1ch th\u1ee9c n\u00e0y, vi\u1ec7c s\u1eed d\u1ee5ng h\u00e0ng kh\u00f4ng trong th\u1ef1c thi ph\u00e1p lu\u1eadt v\u1eabn ti\u1ebfp t\u1ee5c ph\u00e1t tri\u1ec3n v\u00ec c\u00e1c c\u01a1 quan nh\u1eadn ra nh\u1eefng l\u1ee3i \u00edch m\u00e0 n\u00f3 mang l\u1ea1i trong vi\u1ec7c ch\u1ed1ng t\u1ed9i ph\u1ea1m v\u00e0 b\u1ea3o v\u1ec7 c\u1ed9ng \u0111\u1ed3ng.<\/p>","protected":false},"excerpt":{"rendered":"<p>H\u00e0ng kh\u00f4ng trong th\u1ef1c thi ph\u00e1p lu\u1eadt: G\u00f3c nh\u00ecn l\u1ecbch s\u1eed Nh\u1eefng ng\u00e0y \u0111\u1ea7u s\u1eed d\u1ee5ng m\u00e1y bay trong c\u00f4ng t\u00e1c c\u1ea3nh s\u00e1t L\u1ea7n \u0111\u1ea7u ti\u00ean ghi nh\u1eadn m\u00e1y bay&hellip;<\/p>\n","protected":false},"author":6,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[6959],"tags":[6300,497,1494,157,1274,3608],"class_list":["post-3703","post","type-post","status-publish","format-standard","hentry","category-law-enforcement","tag-crime-fighting","tag-technology","tag-aviation","tag-science-fiction","tag-drones","tag-law-enforcement"],"_links":{"self":[{"href":"https:\/\/www.lifescienceart.com\/vi\/wp-json\/wp\/v2\/posts\/3703","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.lifescienceart.com\/vi\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.lifescienceart.com\/vi\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.lifescienceart.com\/vi\/wp-json\/wp\/v2\/users\/6"}],"replies":[{"embeddable":true,"href":"https:\/\/www.lifescienceart.com\/vi\/wp-json\/wp\/v2\/comments?post=3703"}],"version-history":[{"count":1,"href":"https:\/\/www.lifescienceart.com\/vi\/wp-json\/wp\/v2\/posts\/3703\/revisions"}],"predecessor-version":[{"id":3704,"href":"https:\/\/www.lifescienceart.com\/vi\/wp-json\/wp\/v2\/posts\/3703\/revisions\/3704"}],"wp:attachment":[{"href":"https:\/\/www.lifescienceart.com\/vi\/wp-json\/wp\/v2\/media?parent=3703"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.lifescienceart.com\/vi\/wp-json\/wp\/v2\/categories?post=3703"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.lifescienceart.com\/vi\/wp-json\/wp\/v2\/tags?post=3703"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}