A single DNA cassette tape could store billions of photos

Just don't try to pop it in that old Walkman. Breakthroughs, discoveries, and DIY tips sent every weekday. It seemed like this once-groundbreaking piece of technology may have gone the way of the dodo. However, the cassette tape could offer a new way to store our ever increasing amount of digital data-with a biological twist. DNA (deoxyribonucleic acid) is nature's ultimate hard drive because it is dense, compact, and durable.