My Coworker Is An Airhead

| Orlando, FL, USA | Working | May 22, 2013

(My coworker is filling balloons with helium to decorate our furniture store.)

Coworker #1: “Did you know that if you fill one of those balloons with twice as much helium, it’ll be twice as weightless?”

Coworker #2: “Really?”

Coworker #1: “Yep!”

Me: “Um, you know that helium isn’t truly weightless, don’t you? It may become more buoyant, but it isn’t ever weightless.”

Coworker #1: “That’s not true. Helium is weightless. How else would it make the balloon float? So it stands to reason that twice as much would be twice as weightless!”

Me: “No, weightless means zero weight. By your logic, twice zero is zero, but helium isn’t weightless. It’s simply that helium is lighter than the gases comprising air. Take the example of a bubble rising to the surface of water because the water is heavier than air.”

Coworker #1: “But air doesn’t have weight either! Can you feel it?” ”

(To demonstrates his point, he fans the air in front of himself.)

Coworker #1: *triumphantly* “NO!”

Me: *facepalm*

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