I will build the simplest radio using... a credit card
The article on Hackaday describes a fascinating project in which a credit card chip was used to create a crystal radio. The author emphasizes that such radios were popular in the 1920s and 1930s, and its construction is a great example of how modern technology can be utilized in unconventional ways. The chip from a credit card, usually employed in payment systems, in this case, serves as a radio signal detector. This project showcases that creativity and innovation can lead to extraordinary solutions that blend the past with the present. Additionally, the author provides detailed information about the radio-building process, which can inspire hobbyists and electronics enthusiasts looking for unconventional applications of materials they have on hand.