Gadget and technology blog Gizmodo recently reviewed eight devices touted as ghost detectors. One is Nikola Tesla’s Spirit Radio, which Gizmodo says is built with a simple crystal radio circuit, but has the ability to generate spooky sounds from all kinds of electromagnetic interference. Tesla writes: “My first observations positively terrified me as there was present in them something mysterious, not to say supernatural, and I was alone in my laboratory at night.”Find out how to build your own Tesla Spirit Radio.
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Interference Technology
Established in 1970, Interference Technology helps EMI/EMC engineers find solutions to their various testing, design, application and regulatory issues by publishing articles, news and other practical content. We help suppliers in these areas to find the right customers for their components, materials, test equipment and services through a wide range of marketing services, including lead generation, branding, market research and events. The publication is available in various printed and electronic media formats, with readers in over 60 countries. We also publish issues in local languages in China, Japan and Europe.