- To prove that his face mask works, YouTuber “Uncle Rob” conducted an experiment with a homemade “coronavirus weapon” and a blowtorch.
- In the video, Uncle Rob sprayed flammable liquid through a mannequin head – both with and without a mask – to see if a can of propane would be lit on the other side of his yard.
- The lesson: masks do Job. But please don’t try this experiment at home.
While public health organizations such as the U.S. Disease Control and Prevention Centers and the World Health Organization have recommended face masks to stop the spread of COVID-1
YouTuber “Uncle Rob” is here to settle the debate once and for all – with two mannequin heads, a few masks, flammable liquid, a bit of propane and his imagination. Uncle Rob’s hypothesis: if the propane tank fires like a blowtorch, masks won’t work. If nothing happens, they work.
Okay, maybe Uncle Rob’s method doesn’t exactly Follow the scientific method or stick to strict peer reviews. But his demo is damn convincing of the effectiveness of face masks.
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First, Uncle Rob had to find out how far a spit or cough moves, so he took a sip of Miller Lite and spat it out in a forward orbit – again not exactly empirically, but acceptable to his gardening lab. Then he stretched out a tape measure and attached it to a post with a masked mannequin head. After Uncle Rob spat out the beer, he expected the droplets to be about 3 meters wide.
Next, he looked for household sprays that could shoot products at about the same distance – eight feet, give or take. Spray paint and isopropyl alcohol didn’t cut it exactly, so he eventually decided on an ether-based spray, a flammable liquid that is normally used as a starting liquid for fires.
Then Uncle Rob got really creative: he cut holes in a second mannequin head so that if he attached it to the ether can with a spray attachment, he could simulate a cough or sneeze. The mannequin head was wearing a mask, just like a real person, so the mask should have been able to stop most of the droplets that went through the holes in the mannequin head – if the protective covers really worked.
It kind of Check out. SARS-CoV-2, the virus that causes COVID-19, is about 120 nanometers in diameter, and Uncle Rob said the molecules in his ether starter fluid were about 0.56 nanometers in diameter.
To complete his setup, Uncle Rob glued a propane tank to a pole next to the face of the first mannequin and lit it. For the last step, he carried out some tests with his so-called “corona virus weapon” and compared the results.
Nothing happened from a distance of 8 feet with a mask over the “coronavirus weapon” after Uncle Rob sprayed the ether several times to simulate a cough. Still nothing from the same distance with the mask removed. The same applies from a distance of 6 feet with the mask. But from 6 feet away without the Mask, he eventually produced flames.
Uncle Rob tested a few more distances, simulated two people closer, and found that the mask prevented the blowtorch from going 4 feet, and even 2 feet and 6 inches.
As for his simulation of a 2 foot person coughing without a mask? The coronavirus weapon not only lit the blowtorch but also caught the other mannequin’s face on fire. It has to be a metaphor something …
However, our backyard scientist Uncle Rob had a few wise farewell words about his experiment: “So I’ve definitely proven whether masks work or not, make your own decision, but I think I’ll wear one.” “”
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