[header] How to make a vaporizer [title] Gather your supplies. [step] For this vaporizer, you will need a clear light bulb (100 watts is best, and don't use one that is painted white inside), a sharp knife, pliers, glass straws or tubes, tape, scissors, and the cap from a 500ml bottle. [title] Cut the end off the light bulb. 
[step] Take your knife to cut off the metal tip of the light bulb where you would typically screw it into the socket. Try to cut it smoothly to avoid rough edges.