How to make a magnifying glass without water?

I want to make a projector but I don't have a magnifying glass. How can I make one so that I can make a projector for my iphone?

Get a block of glass and grind it out with sandpaper

Buy one, it would take you forever to make one, you need to get a blank and then you need to grind it down with machines using different coarseness levels of rouge, by the time you're done you could have bought a 100 for less money.

  • Will my iPhone work if it has been without battery cover (back glass with apple logo) for a long? After fixing my iPhone 4's screen, I accidentally broke the battery cable and I haven't closed its back glass since then. I'm just afraid that moist can damage the logic board, can it? Will it work if I replace battery? The screen works, I just checked it after fixing, but then to complete the assembly, I accidentally damaged the battery cable… Thank you in advance
  • WHY DID APPLE MAKE THE IPHONE OF GLASS? My 2 year old was messing with my phone today and accidentally dropped it 2 feet off of the ground, cracked. I can't believe this! I've only had it for almost a week! (5 days) It's the back that's cracked, not the front. The case and screen protector that i ordered just came in almost an hour after he dropped it. I guess thats just my luck:/ is there anyway I can get it fixed?
  • My iPhone has water in it how can I get the water out? I got a little bit of water in it at my pool and it shutoff within a minute or so, it won't turn back on and I have had it in rice for over 10 hours.
  • My iphone 5 fell into a glass of water? I got out of bed and heard a splash. It took me a minute to realize what happened. I immediately powered it off, but it kept turning on and off on its own and the screen went discolored. I stuck it in a bag of rice. It feels hot to the touch and I'm so afraid it's gone. Does it sound like it will work?

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