3
votes
0answers
37 views

Accessible materials with same refractive index as polycarbonate [duplicate]

There is a common home-remedy for scratched flat-screen monitors that says to rub a bit of petroleum jelly into the scratch. The rationale being that because the jelly has a similar refractive index ...
2
votes
1answer
88 views

Repairing or retrieving video off a cracked disk

My disk has a thin crack right through the one side. Right around the crack it looks like it has water damage but I'm pretty sure it was caused from the crack. Will tape work for this? If there is ...