United states

354 fireworks every second: The Fourth of July show by the numbers – The Washington Post

  1. 354 fireworks every second: The Fourth of July show by the numbers  The Washington Post
  2. A history of fireworks showcased at the Science History Institute  WHYY
  3. Fireworks were ‘discovered’ in China 2000 years ago. How did they become a 4th of July staple?  Upworthy
  4. From Earth to Sky: How Minerals Create the Dazzling Colors of Independence Day Fireworks  USGS (.gov)
  5. The science behind firework colors  WSAZ