Why Ketchup Doesn’t Slide Off Your Hot Dog
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The Science of Summer Cookouts
Summertime!
Yes, it can get really hot and humid, but for many of us, that also means it’s time for vacation, the beach and cookouts.
And since Memorial Day weekend is often considered the start of summer, it’s time to serve up a little science from our digital series Chew on This to go along with that cookout. We’re asking an important question if you like ketchup and mustard on your hot dog.
Enjoy!
Watch More from Sci NC
Why Ketchup Doesn't Fall Off Your Hotdog (Hint: Viscosity).
Ever wonder why you shake a bottle of ketchup, mustard or salad dressing to get the condiment to pour out? NC State Food Science Professor Keith Harris and graduate student Emilize Momplaisir explain how viscosity can keep us from making a mess.