Let people talk to others far away., Telephone, Lets people watch and share videos online., Streaming, Gives internet without wires (for phones, computers)., Wi-Fi, A small phone you can carry anywhere., Smartphone, Sent messages fast using wires (before phones)., Telegraph, Gives news on paper (before the internet)., Newspaper, Used for writing, drawing, and printing., Printer, Takes and saves pictures (instead of painting)., Camera, Shows moving pictures with sound., Television, Helps doctors see inside the body (like bones)., X-ray, lies people and things quickly across the world., Airplane, A two-wheeled vehicle you ride with your legs., Bicycle, A fast train under or above cities., Metro, Moves people and goods on tracks., Train, A boat powered by steam (before modern ships)., Steamboat, Flies in the sky using hot air (early flying)., Hot air balloon, Helps things move (cars, carts, bikes)., Wheel, leans clothes automatically., Washing machine, Washes dishes without hands., Dishwasher, Heats food very fast., Microwave, Stores music, videos, or computer files., Hard drive, Takes pictures that look real (like in movies)., 3D printer, The first antibiotic (kills bad bacteria)., Penicillin, Helps people breathe underwater (for diving)., Scuba gear, The first man-made object in space (1957)., Satellite.

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