Happy 4th of July! The last invention we’re featuring in honor of Independence Day was the brainchild of a 21st-century American. This invention, which is still in its infancy, brings a critical beat to life. Check out the USA.gov Blog to read about four great American inventions. You can also follow us on Facebook and Twitter (#madeintheusa, #july4).
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Celebrating American Inventions: The Beat Goes On
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