tape with the same adhesive properties. their research lead to a brand of scotch tape called 8\11. >> it doesn't leave a residue. it's very easy to apply and it's very easy to take off without damaging anything. >> so they used it to piece together the damaged floppy disks. to their enormous relief, it was a success. >> it took some initiative and it works. there were lots of cheers. so it was pretty cool. it was pretty rewarding that we actually developed a technique that was working and we actually were getting data. >> what some said would cost close to a million dollars had only costs $31, but was there any information on the disks that would implicate sergeant joe snodgrass in his wife's murder? unlimited cash back.