In David Eagleman’s talk on the Future of Being Human (see my previous post) he mentions that biohackers have already started to experiment with adding additional senses to their existing ones. One particularly interesting form is to implant a small neodymium magnet in one’s fingertip. In addition to being able to lift small metal coins and paper clips the person (or more appropriately the cyborg) presumely starts to be able to sense electromagnetic fields. Apparently shopping mall entrances can be felt particularly strongly.

Although practical use cases for this type of body modification seem to be rather limited I’m still intrigued and would love to know what it would feel like to have an additional sense.