2. The United States of America
24,582 nano-articles were published by the USA in 2016. The country ranked 2nd in 2015 with around $18 million Gross Domestic Product derived from the purchasing power parity calculations of the industry. October 9 has even been declared as National Nano Day. Researchers are working on a number of products, including a “power suit” that features nanomaterials built into the garment’s fabric, with hopes to monitor patients or generate energy.
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