Meltdown vs. Tantrum?

Can you distinguish a tantrum from a meltdown? Do you know how to control and prevent both types of behavioral issues? If the answer is "NO", then here is a great link to an interview with Deborah Lipsky. She is a behavior specialist and author of Managing Meltdowns: Using the S.C.A.R.E.D. Calming Technique with Children and Adults with Autism.

http://www.disabilityscoop.com/2009/03/02/behavior-800-pound-gorilla/2374/