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World Explained | Science, Facts, News & More on Instagram: "Revolutionary life-saving tech is here. The U-shaped autonomous life jacket is a breakthrough in water safety, offering unmatched support and buoyancy. Designed with a U-shaped inflatable collar, this jacket automatically activates upon contact with water, ensuring your head stays above the surface, even if you’re unconscious. It’s also manually inflatable, adding versatility and peace of mind for any water-based activity. This innovat