Motor-less vacuum pumps, also without need for compressed air or lubricants, utilize 50 μm thick dielectric elastomer silicone films

https://www.eurekalert.org/news-releases/1124978

"film moves creating motion (pulsing, vibrating, or undulating) adjusted by varying applied voltage... integrable into compact geometries like smartphones,,, no expensive/ scarce materials like copper/ rare earth elements... very quiet, highly energy-efficient, ideal for cleanrooms/ sterile medical settings... automotive engineering/ manufacturing, medical technology, laboratory research, robotic grippers, industrial packaging machinery"

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