All experiments that were duds as far as results go are listed below. Each category's experiment items are listed in the order of when they were microwaved, starting with the earliest experiment onward. Note that not all duds were tempered stupid ideas, some were said to be good ideas because they had practicaul use.

Total Duds (No Reaction Whatsoever)Edit

  • Watermelon
  • Roasted nuts
  • Bubble solution
  • Bubble wrap
  • Hair spray (season 3)
  • Coconut
  • Candle
  • Army men
  • Bouncy balls
  • Fork and spoon
  • Spam
  • Plastic hair ball
  • License plates
  • Legos
  • Padlock
  • Magnets
  • Oust
  • Crocs
  • Box of wine
  • Car battery
  • Duct tape
  • Safety vests
  • Carrot

Semi-Duds (Lesser Reaction than Expected)Edit

  • Rice Krispies
  • Grapes
  • Can of Pepsi
  • Charcoal
  • Plasma globe
  • Mac laptop
  • Gun caps
  • Blender
  • Thermite
  • Play-Doh
  • Spark plug
  • CO2 canister
  • Nerf gun
  • Video camera
  • Silly String
  • Jiffy Pop
  • Justin Bieber doll

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