The science pros at The King of Random show how to make invisible ink at home with simple materials.

Sigourney Weaver Has Met with Disney About a New ‘Alien' Script: "It's a Very Strong First 50 Pages" Carrie Preston thought ...

End or Nether — you'll need special items like obsidian or Eyes of Ender.

You can make glass in Minecraft by smelting blocks of sand, and combining the glass with other items can craft even more.