Magnets are handy, and tape is great, but when you combine the two, you get something truly special. Magnetic tape has a decorated history and is still used today for technical applications. It is also perfect for fun projects and handy household hacks.
The History of Magnetic Tape
The idea of recording sound via a magnetic signal was first thought of in 1888. For the next few decades, the Germans led the efforts to improve magnetic recording. In 1929, a magnetic recording tape was patented, and the magnetophone was invented.