The flaw is the "droplets" are very small too or they would not hang
in the air. There is no reason to believe a bandanna would stop them.
In fact it could actually collect them while you are breathing and be
the chamber of the gun when you sneeze.
I have an experiment I am thinking of doing. Take a couple layers of T
shirt. Mist some red food coloring on one side enough to simulate
breathing through it during an hour of shopping. Then pop a balloon
held against that side, simulating a sneeze and see how far the red
spray goes through the other side.
Anyone have a prediction?
I'll be content with believing the two university studies
I sent you links to that used complex computer modeling to demonstrates
that a mask reduces how far those droplets go and spread.
BTW Greg .... After reading your "experiment", I realized that again
you don't seem to grasp the function or purpose of a mask.
Of course some of your red food coloring is going to go through
to the outside of the layers of shirt. A fabric mask isn't going to
prevent a covid-19 molecule from going through the mask either.
The purpose .... again and again .... of a mask is to reduce
how FAR those moisture droplets, possibly containing the covid-19
virus TRAVEL or from SPREADING to others around you.
It was (and is still recommended) that six feet was enough to
prevent the droplets from affecting anyone however the computer
models I linked to proved otherwise.
Your test is isn't valid anyway. A valid test would compare
how far the red food coloring goes with and then without
a mask. To test without a mask, you'd have to take a mouthful
of red food coloring then have someone tickle your nose until
you sneezed and then see who gets wet. :-)
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