Following Twilight Sparkle's explanation of the scientific method, Diamond Tiara asserts that the sonic rainboom is a scientific phenomenon. Scootaloo insists it is magic. The Ponyville schoolhouse is the scene for an unprecedented intellectual dispute.
It's a sonic rainboom. How not scientific could it possibly not be?
A side story to The Art of Rainbow Engineering - you don't need to read that first.
Can you make a rainbow just with sunlight and water?
Following Twilight Sparkle's explanation of the scientific method, Diamond Tiara says the sonic rainboom is a scientific phenomenon. Scootaloo insists it is magic. The Ponyville schoolhouse is the scene for an unprecedented intellectual dispute.