Just like your cellphone stays connected by roaming between networks, NASA’s Polylingual Experimental Terminal, or PExT, technology demonstration is proving space missions can do the same by switching seamlessly between government and commercial communications networks.
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Water Droplet Science
NASA astronaut Don Pettit demonstrates electrostatic forces using charged water droplets and a knitting needle made of Teflon. This series of overlapping frames from Feb. 19, 2025, displays the unique attraction-repulsion properties of Teflon and charged droplets, similar to how charged particles from the Sun behave when they come in contact with Earth’s magnetic field. […]