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Electrical engineer Mehdi Sadaghhdar from ElectroBOOM used his tongue to test how electric frequency relates to pain. After attaching electrodes to his tongue, Sadaghhdar adjusted the frequency of the current and used his hand to indicate the level of pain he was experiencing. As the frequency went up so did the pain, but only to about 2kHz, at which point the pain lessened as the frequency rose.
image via Electroboom
Engineer Mehdi Sadaghhdar from ElectroBOOM shocks himself in a recent video while measuring the capacitance of the human body before demonstrating a safer method of taking the same measurement. Sadaghhdar was taking the measurement to explain a claim he made in an earlier video that direct current hurts much less than alternating current, a conclusion he came to after repeatedly shocking himself on the tongue.
Sadaghhdar provides the specifics of his measurements including the formula for measuring the capacitance of the human body in a post on ElectroBOOM.
ElectroBOOM engineer Mehdi Sadaghdar gives an explosive explanation of how 3D printing works. Sadaghdar also explains how humans are actually 3D-printers, and creates a 3D-printed tree while burning himself repeatedly with a hot glue gun. He then uses a donated 3D printer to create rockets powered with exploding capacitors.
ElectroBOOM engineer Mehdi Sadaghdar demonstrates some of the practical uses of a thermal imaging camera, seemingly to spite a friend who suggested the device wasn’t useful. In the video Sadaghdar uses a Seek Compact Thermal Camera to measure the temperature of objects around his home, in a park, and out in the wild.
ElectroBOOM host Mehdi Sadaghdar repeatedly set himself on fire while he demonstrated graphite and its more exciting properties.
Graphite is one of the many interesting forms of carbon. And carbon I love! It morphs into coal, diamond, graphite, graphene, fullerenes, nanotubes, buckyballs and more, all with their own set of fantastic properties. Except for CO2, that causes global warming. But graphite is awesome!
ElectroBOOM host Mehdi Sadaghdar debunks the claims of a man named Raj Mohan Nair that he has a superhuman ability to pass high levels of electric current through his body. Mohan was the subject of an episode of the History Channel series Stan Lee’s Superhumans, but Sadaghdar doesn’t trust the claims and even recreates the “ability” using simple engineering.