Introduction: Simplest Light Beam Ever Made
You don't need to buy any thing at all ;) I bet you already have everything i.e you need the following:
1) You need a torch light (you can use your cell phone's torch)
2) A transparent bottle full of water.
Step 1: The Picture Says It All
I used my cell torch light and captured the picture from another cell phone. Isn't it easy?
We have a be nice policy.
Please be positive and constructive.