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ODD PHYSICS VID ARCHIVE: #8

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Subsonic sound waves (not "shock" waves) become visible.
Guess the wavelength and figure out the frequency?


! Scroll down !



Oops. Don't mix oxy with your H2, instead just add a bit of air.


Explore the entire Physvid archive, also moar 



What *is* 'lycopodium' powder anyway? Ask Mr. Wizard?





Build a tornado box




Vortex ring launched from LARGE HUGE BIG cardboard box



 



Melt some metal at room temperature.




Not Lake Nyos. Dangerous carbon dioxide pools




NOT A CGI EFFECT! But not a true sonic boom either. The Atlas missle was
just below mach-1, so the visible cirrus-cloud ripples are sphere-waves of
engine noise produced below and following the vehicle upwards.




Popsicle stick explosion




Tesla Coil lightning discharge will follow a laminar argon gas flow.
Yes, it's a Death Ray.


OTHER THINGS HERE:





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