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Why hello there, I didn't see you waving! With your new gargantuan wave model, you'll never have to miss a wave again. Transverse, interference, standing waves, nodes, this lovely science giant has got it all. Put it up in a classroom, at a homemade science museum, or to wow your auntie at the next family reunion. Let's model! What: Giant Wave ModelConcepts: waves, transverse waves, interference, nodes, periods, amplitude, particle motionTime to make: ~2 hoursCost: $15 not using wooden balls, another 40 withFun: foreverMaterials:Cord (about 40 ft)Big straws (40 or so)Wooden dowels (we started with 5 x 4' sections of 3/4" dowels)Weights for ends (we used 1.5" craft wood balls)2 Carabiners (optional, good for mounting) Tools:DrillScissorsSome needle tool (to help push string through holes)Onwards! Thank you to noahw and Robb for being excellent wave model models. :)

This site provides a flash back into historical events across the globe. The images go along with Billy Joel's "We Didn't Start the Fire".