{"id":16944,"date":"2016-01-22T17:00:48","date_gmt":"2016-01-22T21:00:48","guid":{"rendered":"http:\/\/swling.com\/blog\/?p=16944"},"modified":"2016-01-21T09:07:49","modified_gmt":"2016-01-21T13:07:49","slug":"jagadish-chandra-bose-and-the-invention-of-radio","status":"publish","type":"post","link":"https:\/\/swling.com\/blog\/2016\/01\/jagadish-chandra-bose-and-the-invention-of-radio\/","title":{"rendered":"Jagadish Chandra Bose and the invention of radio"},"content":{"rendered":"<div id=\"attachment_16945\" style=\"width: 594px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-16945\" class=\"size-large wp-image-16945\" src=\"http:\/\/swling.com\/blog\/wp-content\/uploads\/2016\/01\/J.C.Bose_-646x1024.jpg\" alt=\"Jagadish Chandra Bose in Royal Institution, London\" width=\"584\" height=\"926\" \/><p id=\"caption-attachment-16945\" class=\"wp-caption-text\">Jagadish Chandra Bose in Royal Institution, London<\/p><\/div>\n<p>Many thanks to <em>SWLing Post<\/em> reader, A Black, for sharing the following article <a href=\"http:\/\/hackaday.com\/2016\/01\/19\/j-c-bose-and-the-invention-of-radio\/\" target=\"_blank\">from the excellent Hackaday blog<\/a>:<\/p>\n<p style=\"padding-left: 30px;\"><strong>J.C. BOSE AND THE INVENTION OF RADIO<\/strong><\/p>\n<p style=\"padding-left: 30px;\">The early days of electricity appear to have been a cutthroat time. While academics were busy uncovering the mysteries of electromagnetism, bands of entrepreneurs were waiting to pounce on the pure science and engineer solutions to problems that didn\u2019t even exist yet, but could no doubt turn into profitable ventures. We\u2019ve all heard of the epic battles between Edison and Tesla and Westinghouse, and even with the benefit of more than a century of hindsight it\u2019s hard to tell who did what to whom. But another conflict was brewing at the turn of 19th century, this time between an Indian polymath and an Italian nobleman, and it would determine who got credit for laying the foundations for the key technology of the 20th century \u2013 radio.<\/p>\n<p style=\"padding-left: 30px;\"><strong>Appointment and Disappointment<\/strong><\/p>\n<p>In 1885, a 27-year old Jagadish Chandra Bose returned to his native India from England, where he had been studying natural science at Cambridge. Originally sent there to study medicine, Bose had withdrawn due to ill-health exacerbated by the disagreeable aroma of the dissection rooms. Instead, Bose returned with a collection of degrees in multiple disciplines and a letter of introduction that prompted the Viceroy of India to request an appointment for him at Presidency College in Kolkata (Calcutta). One did not refuse a viceroy\u2019s request, and despite protests by the college administration, Bose was appointed professor of physics.<\/p>\n<p style=\"padding-left: 30px;\"><a href=\"http:\/\/hackaday.com\/2016\/01\/19\/j-c-bose-and-the-invention-of-radio\/\" target=\"_blank\">Click here to continue reading\u00a0on Hackaday&#8230;<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Many thanks to SWLing Post reader, A Black, for sharing the following article from the excellent Hackaday blog: J.C. BOSE AND THE INVENTION OF RADIO The early days of electricity appear to have been a cutthroat time. While academics were busy uncovering the mysteries of electromagnetism, bands of entrepreneurs were waiting to pounce on the [&hellip;]<\/p>\n","protected":false},"author":15,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"jetpack_post_was_ever_published":false,"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_publicize_message":"","jetpack_publicize_feature_enabled":true,"jetpack_social_post_already_shared":true,"jetpack_social_options":{"image_generator_settings":{"template":"highway","default_image_id":0,"font":"","enabled":false},"version":2}},"categories":[3,288],"tags":[3354,4697,4091],"class_list":["post-16944","post","type-post","status-publish","format-standard","hentry","category-news","category-radio-history","tag-hackaday","tag-jagadish-chandra-bose","tag-radio-history"],"jetpack_publicize_connections":[],"jetpack_featured_media_url":"","jetpack_shortlink":"https:\/\/wp.me\/pn3uc-4pi","jetpack-related-posts":[{"id":46451,"url":"https:\/\/swling.com\/blog\/2020\/11\/radio-waves-100-years-of-radio-maritime-radio-communications-au2jcb-special-event-station-and-20th-anniversary-of-ham-radio-on-the-iss\/","url_meta":{"origin":16944,"position":0},"title":"Radio Waves: 100 Years of Radio, Maritime Radio Communications, AU2JCB Special Event Station, and 20th Anniversary of Ham Radio on the ISS","author":"Thomas","date":"November 14, 2020","format":false,"excerpt":"Radio Waves:\u00a0 Stories Making Waves in the World of Radio Because I keep my ear to the waves, as well as receive many tips from others who do the same, I find myself privy to radio-related stories that might interest\u00a0SWLing Post\u00a0readers.\u00a0 To that end:\u00a0Welcome to the\u00a0SWLing Post\u2019s Radio Waves, a\u2026","rel":"","context":"In &quot;AM&quot;","block_context":{"text":"AM","link":"https:\/\/swling.com\/blog\/category\/am\/"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/swling.com\/blog\/wp-content\/uploads\/2016\/02\/Scott-Marine-SLR-M-Dial.jpg?resize=350%2C200&ssl=1","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/swling.com\/blog\/wp-content\/uploads\/2016\/02\/Scott-Marine-SLR-M-Dial.jpg?resize=350%2C200&ssl=1 1x, https:\/\/i0.wp.com\/swling.com\/blog\/wp-content\/uploads\/2016\/02\/Scott-Marine-SLR-M-Dial.jpg?resize=525%2C300&ssl=1 1.5x, https:\/\/i0.wp.com\/swling.com\/blog\/wp-content\/uploads\/2016\/02\/Scott-Marine-SLR-M-Dial.jpg?resize=700%2C400&ssl=1 2x"},"classes":[]},{"id":54660,"url":"https:\/\/swling.com\/blog\/2022\/11\/radio-waves-au2jcb-special-event-exploring-a-1-million-watt-fm-tower-3zzz-breaches-community-radio-rules-and-australia-calling\/","url_meta":{"origin":16944,"position":1},"title":"Radio Waves: AU2JCB Special Event, 1 Million Watt FM Tower, 3ZZZ Breaches Rules, Australia Calling, WWII KGEI, and EV Charger QRM","author":"Thomas","date":"November 22, 2022","format":false,"excerpt":"Radio Waves:\u00a0 Stories Making Waves in the World of Radio Welcome to the\u00a0SWLing Post\u2019s Radio Waves, a collection of links to interesting stories making waves in the world of radio.\u00a0Enjoy! AU2JCB Special Event Station (Nov 25 - Dec 13, 2022) Many thanks to SWLing Post contributor, Datta, who shares the\u2026","rel":"","context":"In &quot;Antennas&quot;","block_context":{"text":"Antennas","link":"https:\/\/swling.com\/blog\/category\/antennas\/"},"img":{"alt_text":"Icom IC-756 Pro Transceiver Dial","src":"https:\/\/i0.wp.com\/swling.com\/blog\/wp-content\/uploads\/2020\/07\/Icom-IC-756-Pro-3.jpeg?resize=350%2C200&ssl=1","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/swling.com\/blog\/wp-content\/uploads\/2020\/07\/Icom-IC-756-Pro-3.jpeg?resize=350%2C200&ssl=1 1x, https:\/\/i0.wp.com\/swling.com\/blog\/wp-content\/uploads\/2020\/07\/Icom-IC-756-Pro-3.jpeg?resize=525%2C300&ssl=1 1.5x, https:\/\/i0.wp.com\/swling.com\/blog\/wp-content\/uploads\/2020\/07\/Icom-IC-756-Pro-3.jpeg?resize=700%2C400&ssl=1 2x"},"classes":[]},{"id":50989,"url":"https:\/\/swling.com\/blog\/2021\/11\/radio-waves-cassettes-role-in-creation-of-internet-au2jcb-special-event-joel-hallas-w1zr-sk-and-shortwave-chatter\/","url_meta":{"origin":16944,"position":2},"title":"Radio Waves: Cassette&#8217;s Role in Creation of Internet, AU2JCB Special Event, Joel Hallas (W1ZR) SK, and Shortwave Chatter","author":"Thomas","date":"November 30, 2021","format":false,"excerpt":"Radio Waves:\u00a0 Stories Making Waves in the World of Radio Because I keep my ear to the waves, as well as receive many tips from others who do the same, I find myself privy to radio-related stories that might interest\u00a0SWLing Post\u00a0readers.\u00a0 To that end:\u00a0Welcome to the\u00a0SWLing Post\u2019s Radio Waves, a\u2026","rel":"","context":"In &quot;Ham Radio&quot;","block_context":{"text":"Ham Radio","link":"https:\/\/swling.com\/blog\/category\/ham-radio\/"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/swling.com\/blog\/wp-content\/uploads\/2017\/07\/JRC-NRD-93-Dial.jpg?resize=350%2C200&ssl=1","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/swling.com\/blog\/wp-content\/uploads\/2017\/07\/JRC-NRD-93-Dial.jpg?resize=350%2C200&ssl=1 1x, https:\/\/i0.wp.com\/swling.com\/blog\/wp-content\/uploads\/2017\/07\/JRC-NRD-93-Dial.jpg?resize=525%2C300&ssl=1 1.5x, https:\/\/i0.wp.com\/swling.com\/blog\/wp-content\/uploads\/2017\/07\/JRC-NRD-93-Dial.jpg?resize=700%2C400&ssl=1 2x, https:\/\/i0.wp.com\/swling.com\/blog\/wp-content\/uploads\/2017\/07\/JRC-NRD-93-Dial.jpg?resize=1050%2C600&ssl=1 3x"},"classes":[]},{"id":29181,"url":"https:\/\/swling.com\/blog\/2017\/11\/sdr-pioneer-dr-vanu-bose-dies-at-52\/","url_meta":{"origin":16944,"position":3},"title":"SDR pioneer Dr. Vanu Bose dies at 52","author":"Thomas","date":"November 14, 2017","format":false,"excerpt":"(Source: Southgate ARC) Software Defined Radio pioneer\u00a0Dr. Vanu Gopal Bose\u00a0passed away on November 11, 2017 aged 52 In 1998 he founded\u00a0Vanu Inc.\u00a0which pioneered the commercialization of software-defined radio and was the first company to receive FCC certification of a software-defined radio in 2004. The firm\u2019s technology, which grew out of\u2026","rel":"","context":"In &quot;Articles&quot;","block_context":{"text":"Articles","link":"https:\/\/swling.com\/blog\/category\/articles\/"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/swling.com\/blog\/wp-content\/uploads\/2017\/11\/vanu-obituary2-1024x512.jpg?resize=350%2C200&ssl=1","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/swling.com\/blog\/wp-content\/uploads\/2017\/11\/vanu-obituary2-1024x512.jpg?resize=350%2C200&ssl=1 1x, https:\/\/i0.wp.com\/swling.com\/blog\/wp-content\/uploads\/2017\/11\/vanu-obituary2-1024x512.jpg?resize=525%2C300&ssl=1 1.5x"},"classes":[]},{"id":29339,"url":"https:\/\/swling.com\/blog\/2017\/11\/bose-quietcomfort-25-noise-cancelling-headphones-179-shipped\/","url_meta":{"origin":16944,"position":4},"title":"Bose QuietComfort 25 Noise Cancelling Headphones $179 shipped","author":"Thomas","date":"November 25, 2017","format":false,"excerpt":"Some of you might recall a post I published a few weeks ago about my friend BJ Liederman and how he introduced me to Bose QuietComfort headphones. Since then, I've been watching the prices of both the wired QuiteComfort 25 and wireless QuiteComfort 35 models. This morning, the price of\u2026","rel":"","context":"In &quot;Accessories&quot;","block_context":{"text":"Accessories","link":"https:\/\/swling.com\/blog\/category\/accessories\/"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/swling.com\/blog\/wp-content\/uploads\/2017\/11\/Bose-QuietComfort-25-Sale.jpeg?resize=350%2C200&ssl=1","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/swling.com\/blog\/wp-content\/uploads\/2017\/11\/Bose-QuietComfort-25-Sale.jpeg?resize=350%2C200&ssl=1 1x, https:\/\/i0.wp.com\/swling.com\/blog\/wp-content\/uploads\/2017\/11\/Bose-QuietComfort-25-Sale.jpeg?resize=525%2C300&ssl=1 1.5x, https:\/\/i0.wp.com\/swling.com\/blog\/wp-content\/uploads\/2017\/11\/Bose-QuietComfort-25-Sale.jpeg?resize=700%2C400&ssl=1 2x"},"classes":[]},{"id":15792,"url":"https:\/\/swling.com\/blog\/2015\/11\/hackaday-recounts-an-an-unlikely-radio-story\/","url_meta":{"origin":16944,"position":5},"title":"Hackaday recounts an &#8220;An Unlikely Radio Story&#8221;","author":"Thomas","date":"November 26, 2015","format":false,"excerpt":"Many thanks to SWLing Post reader,\u00a0Michael Letterle, who shares this story from the excellent website Hackaday. The following is an excerpt from Swans, Pigs, and the CIA: An Ulikey Radio Story: Shortwave radio is boring, right? Maybe not. You never know what intrigue and excitement you might intercept. We recently\u2026","rel":"","context":"In &quot;News&quot;","block_context":{"text":"News","link":"https:\/\/swling.com\/blog\/category\/news\/"},"img":{"alt_text":"SWLingPost-Spy-Numbers-Station","src":"https:\/\/i0.wp.com\/swling.com\/blog\/wp-content\/uploads\/2014\/09\/SWLingPost-Spy-Numbers-Station.jpg?resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/swling.com\/blog\/wp-content\/uploads\/2014\/09\/SWLingPost-Spy-Numbers-Station.jpg?resize=350%2C200 1x, https:\/\/i0.wp.com\/swling.com\/blog\/wp-content\/uploads\/2014\/09\/SWLingPost-Spy-Numbers-Station.jpg?resize=525%2C300 1.5x"},"classes":[]}],"jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/swling.com\/blog\/wp-json\/wp\/v2\/posts\/16944","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/swling.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/swling.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/swling.com\/blog\/wp-json\/wp\/v2\/users\/15"}],"replies":[{"embeddable":true,"href":"https:\/\/swling.com\/blog\/wp-json\/wp\/v2\/comments?post=16944"}],"version-history":[{"count":0,"href":"https:\/\/swling.com\/blog\/wp-json\/wp\/v2\/posts\/16944\/revisions"}],"wp:attachment":[{"href":"https:\/\/swling.com\/blog\/wp-json\/wp\/v2\/media?parent=16944"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/swling.com\/blog\/wp-json\/wp\/v2\/categories?post=16944"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/swling.com\/blog\/wp-json\/wp\/v2\/tags?post=16944"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}