How to Make a Laser Pointer Waterproof!

About: I like science but I love art. I am also a brony. I like doctor who and I am also geek.

Wouldn't it be wicked if you're laser pointer was water proof it would make an awesome laser stretching across a pool.
You need a laser pointer, a stove, some cling wrap.

Step 1: Wrap Up

take the cling wrap and get a half fot by a half foot square.

Step 2: Wrap It Pt.2

put it in the middle and fold the ends in and try and keep one layer of wrap on the part wwhere the laser comes out.

Step 3: Roll

roll it up

Step 4: Singe It Up!

put the laser over a low flame to where there is little heat to sorta melt it and tighten it up but keep it away from the laser head so it doesnt burn through.

Step 5: Wala...whala..wa...youre Done.

I have done this several times for cool swimin fun and if you wrapped it tight enough it will work perfectly!

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    4 Discussions

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    rhendric

    7 years ago on Step 5

    Won't the plastic wrap diffuse the laser?

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    dombeef

    7 years ago on Introduction

    Wow, I have the same laser as you, did you get it from dealextreme?
    Nice idea!

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    CyberDoomKnight

    7 years ago on Step 5

    that is a really cool waterproof laser except is there any thing to make the laser stronger, strong enough to burn?

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    And If you want to make it even better, replace the standard switch with a reed switch, stick the laser in a small tube/pipe with one end sealed and a screw on cap with a window and rubber gasket on the other end, and use a small magnet to turn it on or off!