Tag: Eliminates
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Nano Water Droplet Technology Eliminates 99.9% of Ultrafine Airborne Dust
Design and operating mechanism of a miniature air-purification device based on cone-jet water electrospray using a self-pumping hygroscopic (PVA–PAA–MMT) nanofiber membrane (PPM-NFM) emitter. Credit: Advanced Functional Materials (2025). DOI: 10.1002/adfm.202523456 A KAIST research team has developed a new water-based air purification technology that combines nano water droplets that capture dust with a nano sponge structure…
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NPS Eliminates Free Entry for MLK Day and Juneteenth, Introduces Trump’s Birthday Discount
Dec. 5, 2025Updated Dec. 6, 2025, 11:59 a.m. ET In 2026, Americans will get free admission to national parks on President Donald Trump‘s birthday but no longer on Juneteenth and Martin Luther King Jr. Day, according to the National Park Service website. Previously, the National Park Service included these two federal holidays among its free-entry…