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Triboelectric Effect

All articles tagged with #triboelectric effect

science1 year ago•3 min saved

Unexplained Blue Flashes Emerge During Chinese Avalanche

A Chinese astrophotographer, Shengyu Li, captured a mysterious blue flash during an avalanche on Mount Xiannairi, which is believed to be caused by a triboelectric effect—a friction-induced phenomenon. This rare occurrence, linked to electromagnetic emissions from cracking ice, was not visible to the naked eye but appeared in Li's photos. The phenomenon, previously documented in scientific literature, was also captured by other photographers in a similar event on Muztagh Ata mountain.

via The Debrief|

#astrophotography #avalanche #blue-flash

technology2 years ago•1 min saved

Rain Panels: Harnessing Mechanical Energy from Falling Rain for Sustainable Power Generation

Researchers at Georgia Tech have made a breakthrough in harvesting mechanical energy using the triboelectric effect, which allows for the direct generation of electricity at a much higher rate than previous techniques. By utilizing modern materials science, they have created materials that can generate voltages thousands of times higher than before. Additionally, a new method allows for the efficient stringing together of small generators, reducing coupling capacitance and enabling the construction of larger arrays. The hope is to combine these advancements with existing solar panels to gather energy from falling raindrops, although cost and scalability remain challenges.

via Hackaday|

#energy-generation #mechanical-energy-harvesting #modern-materials-science