Bill reveals the stunning engineering underlying the design of a diaper. He describes the five layers of a diaper, including the superabsorbent polymer in the diaper’s core. He illustrates the action of this polymer with a stunning demonstration using a single bead of polymer: it soaks up enough water to grow from a diameter of 4 mm to nearly a half inch.
https://youtu.be/IqdmM9dg0UY?si=IH91XF5gWK6EdpVI From ESA: This otherworldly, ever-changing landscape is what the Sun looks like up close.…
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